How To Add Color Swatches On Collection Page Shopify [Updated]

1. Turn off “Show second image on hover” in the theme editor

Create a new snippet file card-variant-swatch-custom.liquid

{% comment %}
  Description:
  Renders product variant swatch options for collection page based on image URLs. 
  Defaults to buttons if no image URL is present.

  Accepts:
  - product: {Object} product object.
  - option: {Object} current product_option object.
  - variant_images_data: list of variant images
  - lazy_load_all_variants: lazy load all variant images for immediate availability when clicking swatches

  Usage:
  {% render 'variant-swatch-collection',
    product: product,
    option: option,
    variant_images_data: variant_images_data,
    lazy_load_all_variants: lazy_load_all_variants
  %}
{% endcomment %}

{% assign base_store_files_url = '//YOUR-SHOP-NAME.myshopify.com/cdn/shop/files/' %}
{% assign product_form_id = 'product-form-' | append: product.id %}

{% liquid
  assign swatchStyle = settings.CollectionswatchStyle
    assign swatchSize = settings.CollectionswatchSize
%}


{% for value in option.values %}
  {% assign variant_image_url = nil %}
  {% assign variant_id = nil %}
  {% assign option_disabled = true %}
  {% assign first_match_found = false %}

  {% for variant in product.variants %}
    {% if first_match_found == false %}
      {% case option.position %}
        {% when 1 %}
          {% if variant.option1 == value %}
            {% assign variant_image_url = variant.featured_media | img_url: '300x300' %}
            {% assign variant_id = variant.id %}
            {% if lazy_load_all_variants %}
              <!-- Preload image -->
              <img 
                src="{{ variant_image_url }}" 
                alt="{{ variant.title }}" 
                style="display: none;" 
                loading="lazy"
                data-variant-id="{{ variant.id }}"
                width="{{ variant.featured_media.width }}"
                height="{{ variant.featured_media.height }}">
            {% endif %}
            {% if variant.available %}
              {% assign option_disabled = false %}
            {% endif %}
            {% assign first_match_found = true %}
          {% endif %}
        {% when 2 %}
          {% if variant.option2 == value and variant.option1 == product.selected_or_first_available_variant.option1 %}
            {% assign variant_image_url = variant.featured_media | img_url: '300x300' %}
            {% assign variant_id = variant.id %}
            {% if lazy_load_all_variants %}
              <!-- Preload image -->
              <img 
                src="{{ variant_image_url }}" 
                alt="{{ variant.title }}" 
                style="display: none;" 
                loading="lazy"
                data-variant-id="{{ variant.id }}"
                width="{{ variant.featured_media.width }}"
                height="{{ variant.featured_media.height }}">
            {% endif %}
            {% if variant.available %}
              {% assign option_disabled = false %}
            {% endif %}
            {% assign first_match_found = true %}
          {% endif %}
        {% when 3 %}
          {% if variant.option3 == value and variant.option1 == product.selected_or_first_available_variant.option1 and variant.option2 == product.selected_or_first_available_variant.option2 %}
            {% assign variant_image_url = variant.featured_media | img_url: '300x300' %}
            {% assign variant_id = variant.id %}
            {% if lazy_load_all_variants %}
              <!-- Preload image -->
              <img 
                src="{{ variant_image_url }}" 
                alt="{{ variant.title }}" 
                style="display: none;" 
                loading="lazy"
                data-variant-id="{{ variant.id }}"
                width="{{ variant.featured_media.width }}"
                height="{{ variant.featured_media.height }}">
            {% endif %}           
            {% if variant.available %}
              {% assign option_disabled = false %}
            {% endif %}
            {% assign first_match_found = true %}
          {% endif %}
      {% endcase %}
    {% endif %}

    {% if variant_image_url %}
      {% for item in variant_images_data %}
        {% if item.variant_value == value %}
						{% assign variant_filename = item.variant_swatch %}
            {% unless variant_filename == blank %}
              {% assign variant_image_url = base_store_files_url | append: variant_filename %}
            {% endunless %}
          {% break %}
        {% endif %}
      {% endfor %}
    {% endif %}
  {% endfor %}

  <div class="collection-product-card__swatch">
    <input 
      type="radio"
      id="collection-{{ section.id }}-{{ product.id }}-{{ option.position }}-{{ forloop.index0 }}" 
      name="collection-{{ section.id }}-{{ product.id }}-{{ option.name }}" 
      value="{{ value | escape }}" 
      form="{{ product_form_id }}" 
      data-section-id="{{ section.id }}"
      data-product-id="{{ product.id }}" 
      data-variant-id="{{ variant_id }}"
      data-image-url="{{ variant_image_url }}"
      {% if option.selected_value == value %}
        checked
      {% endif %}
      {% if option_disabled %}
        class="disabled"
      {% endif %}
    >
    <label
    class="color-swatch {% case swatchStyle %} {% when "round" %}round{% when "square-round-corners" %}square-round-corners{% endcase %}" style="background:url('{{ variant_image_url }}');"
      for="collection-{{ section.id }}-{{ product.id }}-{{ option.position }}-{{ forloop.index0 }}">
      <span class="visually-hidden">{{ 'products.product.variant_sold_out_or_unavailable' | t }}</span>
    </label>
  </div>
{% endfor %}

<style>
  .collection-product-card__swatch {
      display: inline-block;
      margin-top: 5px;
      margin-right: 5px;
  }
  
  .collection-product-card__swatch input {
      display: none;
  }
  
   .collection-product-card__swatch label {
      display: block;
      width: {{swatchSize}}px; /* Adjust for desired swatch size */
      height: {{swatchSize}}px; /* Adjust for desired swatch size */
      border: 1px solid #777;
      border-radius: 50%; /* 50% for circle, 0% for square */
      background-size: cover !important;
      cursor: pointer;
      transition: border-color 0.3s ease;
  } 

/* .collection-product-card__swatch label{
{% if swatchStyle == "round" %}
  .collection-product-card__swatch + label.round,
.collection-product-card__swatch + label.round:after,
.collection-product-card__swatch + label.round:before{
    border-radius: 100% !important;
  }
{% endif %}
{% if swatchStyle == "square" %}
  .collection-product-card__swatch + label,
.collection-product-card__swatch + label:after,
.collection-product-card__swatch + label:before{
    border-radius: 0 !important;
  }
{% endif %}
{% if swatchStyle == "round" %}
  .collection-product-card__swatch + label,
.collection-product-card__swatch + label:after,
.collection-product-card__swatch + label:before{
    border-radius: 5px !important;
  }
{% endif %}
} */
  
  .collection-product-card__swatch label:hover {
      border-color: #333 !important;
  }
  
  .collection-product-card__swatch input:checked + label {
      border-color: #333;
      border-width: 2px; 
      box-shadow: inset 0 0 0 1px #fff; 
  }  
  
  .collection-product-card__swatch input.disabled + label {
      opacity: 0.5;
      position: relative; 
  }
  
  .collection-product-card__swatch input.disabled + label::after {
      content: '';
      position: absolute;
      top: 0;
      right: 0;
      bottom: 0;
      left: 0;
      background: linear-gradient(to bottom right, transparent 45%, rgba(255, 0, 0, 0.6) 50%, transparent 55%);
      pointer-events: none;
  }

  .square{
  border-radius: 100% !important;
}

.square{
  border-radius: 0px !important;
}

.square-round-corners{
  border-radius: 5px !important;
}
  
</style>

<script>
    var colorSwatch = document.querySelectorAll('label.color-swatch');
  {% if swatchStyle == "square" %}
  console.log(colorSwatch);
  colorSwatch.forEach(function(label) {
    // Add the additional class, for example, "new-class"
    label.classList.add('square');
  });
  {% endif %}
  {% if swatchStyle == "round" %}
  console.log(colorSwatch);
    colorSwatch.forEach(function(label) {
    // Add the additional class, for example, "new-class"
    label.classList.add('round');
  });
  {% endif %}
   {% if swatchStyle == "square-round-corners" %}
  console.log(colorSwatch);
    colorSwatch.forEach(function(label) {
    // Add the additional class, for example, "new-class"
    label.classList.add('square-round-corners');
  });
  {% endif %}
</script>



Create a new snippet file card-product-custom.liquid

{% comment %}
  Renders a product card

  Accepts:
  - card_product: {Object} Product Liquid object (optional)
  - media_aspect_ratio: {String} Size of the product image card. Values are "square" and "portrait". Default is "square" (optional)
  - image_shape: {String} Image mask to apply to the product image card. Values are "arch", "blob", "chevronleft", "chevronright", "diamond", "parallelogram", and "round". (optional)
  - show_secondary_image: {Boolean} Show the secondary image on hover. Default: false (optional)
  - show_vendor: {Boolean} Show the product vendor. Default: false
  - show_rating: {Boolean} Show the product rating. Default: false
  - extend_height: {Boolean} Card height extends to available container space. Default: true (optional)
  - lazy_load: {Boolean} Image should be lazy loaded. Default: true (optional)
  - show_quick_add: {Boolean} Show the quick add button.
  - section_id: {String} The ID of the section that contains this card.
  - horizontal_class: {Boolean} Add a card--horizontal class if set to true. Default: false (optional)
  - horizontal_quick_add: {Boolean} Changes the quick add button styles when set to true. Default: false (optional)
  - placeholder_image: {String} The placeholder image to use when no product exists. Default: 'product-apparel-2' (optional)

  Usage:
  {% render 'card-product', show_vendor: section.settings.show_vendor %}
{% endcomment %}

{{ 'component-rating.css' | asset_url | stylesheet_tag }}
{{ 'component-volume-pricing.css' | asset_url | stylesheet_tag }}

{% assign variant_option_name = "Color" %} {% comment %}Setting: Variant Option Name To Display On Collection Page{% endcomment %}
{% assign entry_title = "variant-swatch-mapping" %} {% comment %}Setting: Name of Metaobject entry{% endcomment %}
{% assign lazy_load_all_variants = false %} {% comment %}Setting: Turn Lazy Load on or off. true: ON, false: OFF{% endcomment %}


{%- if card_product and card_product != empty -%}
  {%- liquid
    assign ratio = 1
    if card_product.featured_media and media_aspect_ratio == 'portrait'
      assign ratio = 0.8
    elsif card_product.featured_media and media_aspect_ratio == 'adapt'
      assign ratio = card_product.featured_media.aspect_ratio
    endif
    if ratio == 0 or ratio == null
      assign ratio = 1
    endif
  -%}

  
  {% assign target_entry = nil %}
  {% for entry in shop.metaobjects.variant_swatch_map.values %}
    {% if entry.title == entry_title  %}
      {% assign target_entry = entry %}
      {% break %}
    {% endif %}
  {% endfor %}

  {% if target_entry %}
    {% assign variant_images_data = target_entry.variant_images_json %}
  {% else %}
    {% assign variant_images_data = nil %}
  {% endif %}
  
<div class="card-product-custom-div" data-section-id="{{ section.id }}" data-lazy-load-all-variants="{{ lazy_load_all_variants }}">
  <div class="card-wrapper product-card-wrapper underline-links-hover">
    <div
      class="
        card card--{{ settings.card_style }}
        {% if card_product.featured_media %} card--media{% else %} card--text{% endif %}
        {% if settings.card_style == 'card' %} color-{{ settings.card_color_scheme }} gradient{% endif %}
        {% if image_shape and image_shape != 'default' %} card--shape{% endif %}
        {% if extend_height %} card--extend-height{% endif %}
        {% if card_product.featured_media == nil and settings.card_style == 'card' %} ratio{% endif %}
        {% if horizontal_class %} card--horizontal{% endif %}
      "
      style="--ratio-percent: {{ 1 | divided_by: ratio | times: 100 }}%;"
    >
      <div
        class="card__inner {% if settings.card_style == 'standard' %}color-{{ settings.card_color_scheme }} gradient{% endif %}{% if card_product.featured_media or settings.card_style == 'standard' %} ratio{% endif %}"
        style="--ratio-percent: {{ 1 | divided_by: ratio | times: 100 }}%;"
      >
        {%- if card_product.featured_media -%}
          <div class="card__media{% if image_shape and image_shape != 'default' %} shape--{{ image_shape }} color-{{ settings.card_color_scheme }} gradient{% endif %}" id="ProductCardImage-{{ card_product.id }}"> {% comment %} Code changed here {% endcomment %}
            <div class="media media--transparent media--hover-effect">
              {% comment %}theme-check-disable ImgLazyLoading{% endcomment %}
              <img
                srcset="
                  {%- if card_product.featured_media.width >= 165 -%}{{ card_product.featured_media | image_url: width: 165 }} 165w,{%- endif -%}
                  {%- if card_product.featured_media.width >= 360 -%}{{ card_product.featured_media | image_url: width: 360 }} 360w,{%- endif -%}
                  {%- if card_product.featured_media.width >= 533 -%}{{ card_product.featured_media | image_url: width: 533 }} 533w,{%- endif -%}
                  {%- if card_product.featured_media.width >= 720 -%}{{ card_product.featured_media | image_url: width: 720 }} 720w,{%- endif -%}
                  {%- if card_product.featured_media.width >= 940 -%}{{ card_product.featured_media | image_url: width: 940 }} 940w,{%- endif -%}
                  {%- if card_product.featured_media.width >= 1066 -%}{{ card_product.featured_media | image_url: width: 1066 }} 1066w,{%- endif -%}
                  {{ card_product.featured_media | image_url }} {{ card_product.featured_media.width }}w
                "
                src="{{ card_product.featured_media | image_url: width: 533 }}"
                sizes="(min-width: {{ settings.page_width }}px) {{ settings.page_width | minus: 130 | divided_by: 4 }}px, (min-width: 990px) calc((100vw - 130px) / 4), (min-width: 750px) calc((100vw - 120px) / 3), calc((100vw - 35px) / 2)"
                alt="{{ card_product.featured_media.alt | escape }}"
                class="motion-reduce"
                {% unless lazy_load == false %}
                  loading="lazy"
                {% endunless %}
                width="{{ card_product.featured_media.width }}"
                height="{{ card_product.featured_media.height }}"
              >
              {% comment %}theme-check-enable ImgLazyLoading{% endcomment %}

              {%- if card_product.media[1] != null and show_secondary_image -%}
                <img
                  srcset="
                    {%- if card_product.media[1].width >= 165 -%}{{ card_product.media[1] | image_url: width: 165 }} 165w,{%- endif -%}
                    {%- if card_product.media[1].width >= 360 -%}{{ card_product.media[1] | image_url: width: 360 }} 360w,{%- endif -%}
                    {%- if card_product.media[1].width >= 533 -%}{{ card_product.media[1] | image_url: width: 533 }} 533w,{%- endif -%}
                    {%- if card_product.media[1].width >= 720 -%}{{ card_product.media[1] | image_url: width: 720 }} 720w,{%- endif -%}
                    {%- if card_product.media[1].width >= 940 -%}{{ card_product.media[1] | image_url: width: 940 }} 940w,{%- endif -%}
                    {%- if card_product.media[1].width >= 1066 -%}{{ card_product.media[1] | image_url: width: 1066 }} 1066w,{%- endif -%}
                    {{ card_product.media[1] | image_url }} {{ card_product.media[1].width }}w
                  "
                  src="{{ card_product.media[1] | image_url: width: 533 }}"
                  sizes="(min-width: {{ settings.page_width }}px) {{ settings.page_width | minus: 130 | divided_by: 4 }}px, (min-width: 990px) calc((100vw - 130px) / 4), (min-width: 750px) calc((100vw - 120px) / 3), calc((100vw - 35px) / 2)"
                  alt=""
                  class="motion-reduce"
                  loading="lazy"
                  width="{{ card_product.media[1].width }}"
                  height="{{ card_product.media[1].height }}"
                >
              {%- endif -%}
            </div>
          </div>
        {%- endif -%}
        <div class="card__content">
          <div class="card__information">
            <h3
              class="card__heading"
              {% if card_product.featured_media == null and settings.card_style == 'standard' %}
                id="title-{{ section_id }}-{{ card_product.id }}"
              {% endif %}
            >
              <a
                href="{{ card_product.url }}"
                id="StandardCardNoMediaLink-{{ section_id }}-{{ card_product.id }}"
                class="full-unstyled-link"
                aria-labelledby="StandardCardNoMediaLink-{{ section_id }}-{{ card_product.id }} NoMediaStandardBadge-{{ section_id }}-{{ card_product.id }}"
              >
                {{ card_product.title | escape }}
              </a>
            </h3>
          </div>
          <div class="card__badge {{ settings.badge_position }}">
            {%- if card_product.available == false -%}
              <span
                id="NoMediaStandardBadge-{{ section_id }}-{{ card_product.id }}"
                class="badge badge--bottom-left color-{{ settings.sold_out_badge_color_scheme }}"
              >
                {{- 'products.product.sold_out' | t -}}
              </span>
            {%- elsif card_product.compare_at_price > card_product.price and card_product.available -%}

              {%- assign difference = card_product.compare_at_price | minus: card_product.price -%}
              {%- assign float_difference = difference | times: 1.0 -%}
              {%- assign discount_fraction = float_difference | divided_by: card_product.compare_at_price -%}
              {%- assign discount_percentage = discount_fraction | times: 100 | round -%}
              
              <span
                id="NoMediaStandardBadge-{{ section_id }}-{{ card_product.id }}"
                class="badge badge--bottom-left color-{{ settings.sale_badge_color_scheme }}"
              >
                {% comment %}{{- 'products.product.on_sale' | t -}}{% endcomment %}
                {{- discount_percentage }}% OFF
              </span>
            {%- endif -%}
          </div>
        </div>
      </div>
      <h3
        class="card__heading{% if card_product.featured_media or settings.card_style == 'standard' %} h5{% endif %}"
        {% if card_product.featured_media or settings.card_style == 'card' %}
          id="title-{{ section_id }}-{{ card_product.id }}"
        {% endif %}
      >
        <a
          href="{{ card_product.url }}"
          id="CardLink-{{ section_id }}-{{ card_product.id }}"
          class="full-unstyled-link"
          aria-labelledby="CardLink-{{ section_id }}-{{ card_product.id }} Badge-{{ section_id }}-{{ card_product.id }}"
        >
        </a>
      </h3>
  
    </div>
  </div>
  
        <div class = "collection-product-card__variants">
        {%- for card_product_option in card_product.options_with_values -%}
            {% if card_product_option.name == variant_option_name %}  

                {% assign variant_options_images = variant_images_data.value | where: "variant_name", card_product_option.name %}
                {% assign special_handling = false %}
                {% if variant_options_images.size > 0 %}
                  {% assign special_handling = true %}
                {% endif %}
       
                {% render 'card-variant-swatch-custom', product: card_product, option: card_product_option, variant_images_data: variant_options_images, lazy_load_all_variants: lazy_load_all_variants %}
            {% endif %}
        {%- endfor -%}
        </div>  

<div class="card-wrapper product-card-wrapper underline-links-hover">
    <div
      class="
        card card--{{ settings.card_style }}
        {% if card_product.featured_media %} card--media{% else %} card--text{% endif %}
        {% if settings.card_style == 'card' %} color-{{ settings.card_color_scheme }} gradient{% endif %}
        {% if image_shape and image_shape != 'default' %} card--shape{% endif %}
        {% if extend_height %} card--extend-height{% endif %}
        {% if card_product.featured_media == nil and settings.card_style == 'card' %} ratio{% endif %}
        {% if horizontal_class %} card--horizontal{% endif %}
      "
      style="--ratio-percent: {{ 1 | divided_by: ratio | times: 100 }}%;"
    >  
      <div class="card__content">
        <div class="card__information">
          <h3
            class="card__heading{% if card_product.featured_media or settings.card_style == 'standard' %} h5{% endif %}"
            {% if card_product.featured_media or settings.card_style == 'card' %}
              id="title-{{ section_id }}-{{ card_product.id }}"
            {% endif %}
          >
            <a
              href="{{ card_product.url }}"
              id="CardLink-{{ section_id }}-{{ card_product.id }}"
              class="full-unstyled-link"
              aria-labelledby="CardLink-{{ section_id }}-{{ card_product.id }} Badge-{{ section_id }}-{{ card_product.id }}"
            >
              {{ card_product.title | escape }}
            </a>
          </h3>
          <div class="card-information">
            {%- if show_vendor -%}
              <span class="visually-hidden">{{ 'accessibility.vendor' | t }}</span>
              <div class="caption-with-letter-spacing light">{{ card_product.vendor }}</div>
            {%- endif -%}

            <span class="caption-large light">{{ block.settings.description | escape }}</span>

            {%- if show_rating and card_product.metafields.reviews.rating.value != blank -%}
              {% liquid
                assign rating_decimal = 0
                assign decimal = card_product.metafields.reviews.rating.value.rating | modulo: 1
                if decimal >= 0.3 and decimal <= 0.7
                  assign rating_decimal = 0.5
                elsif decimal > 0.7
                  assign rating_decimal = 1
                endif
              %}
              <div
                class="rating"
                role="img"
                aria-label="{{ 'accessibility.star_reviews_info' | t: rating_value: card_product.metafields.reviews.rating.value, rating_max: card_product.metafields.reviews.rating.value.scale_max }}"
              >
                <span
                  aria-hidden="true"
                  class="rating-star"
                  style="--rating: {{ card_product.metafields.reviews.rating.value.rating | floor }}; --rating-max: {{ card_product.metafields.reviews.rating.value.scale_max }}; --rating-decimal: {{ rating_decimal }};"
                ></span>
              </div>
              <p class="rating-text caption">
                <span aria-hidden="true">
                  {{- card_product.metafields.reviews.rating.value }} /
                  {{ card_product.metafields.reviews.rating.value.scale_max -}}
                </span>
              </p>
              <p class="rating-count caption">
                <span aria-hidden="true">({{ card_product.metafields.reviews.rating_count }})</span>
                <span class="visually-hidden">
                  {{- card_product.metafields.reviews.rating_count }}
                  {{ 'accessibility.total_reviews' | t -}}
                </span>
              </p>
            {%- endif -%}

            {% render 'price', product: card_product, price_class: '', show_compare_at_price: true %}
            {%- if card_product.quantity_price_breaks_configured? -%}
              <div class="card__information-volume-pricing-note">
                <span class="caption">{{ 'products.product.volume_pricing.note' | t }}</span>
              </div>
            {%- endif -%}
          </div>
        </div>
        {%- if show_quick_add -%}
          <div class="quick-add no-js-hidden">
            {%- liquid
              assign product_form_id = 'quick-add-' | append: section_id | append: card_product.id
              assign qty_rules = false
              if card_product.selected_or_first_available_variant.quantity_rule.min > 1 or card_product.selected_or_first_available_variant.quantity_rule.max != null or card_product.selected_or_first_available_variant.quantity_rule.increment > 1
                assign qty_rules = true
              endif
            -%}
            {%- if card_product.variants.size > 1 or qty_rules -%}
              <modal-opener data-modal="#QuickAdd-{{ card_product.id }}">
                <button
                  id="{{ product_form_id }}-submit"
                  type="submit"
                  name="add"
                  class="quick-add__submit button button--full-width button--secondary{% if horizontal_quick_add %} card--horizontal__quick-add animate-arrow{% endif %}"
                  aria-haspopup="dialog"
                  aria-labelledby="{{ product_form_id }}-submit title-{{ section_id }}-{{ card_product.id }}"
                  data-product-url="{{ card_product.url }}"
                >
                  {{ 'products.product.choose_options' | t }}
                  {%- if horizontal_quick_add -%}
                    <span class="icon-wrap">{% render 'icon-arrow' %}</span>
                  {%- endif -%}
                  <div class="loading-overlay__spinner hidden">
                    <svg
                      aria-hidden="true"
                      focusable="false"
                      class="spinner"
                      viewBox="0 0 66 66"
                      xmlns="http://www.w3.org/2000/svg"
                    >
                      <circle class="path" fill="none" stroke-width="6" cx="33" cy="33" r="30"></circle>
                    </svg>
                  </div>
                </button>
              </modal-opener>
              <quick-add-modal id="QuickAdd-{{ card_product.id }}" class="quick-add-modal">
                <div
                  role="dialog"
                  aria-label="{{ 'products.product.choose_product_options' | t: product_name: card_product.title | escape }}"
                  aria-modal="true"
                  class="quick-add-modal__content global-settings-popup"
                  tabindex="-1"
                >
                  <button
                    id="ModalClose-{{ card_product.id }}"
                    type="button"
                    class="quick-add-modal__toggle"
                    aria-label="{{ 'accessibility.close' | t }}"
                  >
                    {% render 'icon-close' %}
                  </button>
                  <div id="QuickAddInfo-{{ card_product.id }}" class="quick-add-modal__content-info"></div>
                </div>
              </quick-add-modal>
            {%- else -%}
              <product-form data-section-id="{{ section.id }}">
                {%- form 'product',
                  card_product,
                  id: product_form_id,
                  class: 'form',
                  novalidate: 'novalidate',
                  data-type: 'add-to-cart-form'
                -%}
                  <input
                    type="hidden"
                    name="id"
                    value="{{ card_product.selected_or_first_available_variant.id }}"
                    class="product-variant-id"
                    disabled
                  >
                  <button
                    id="{{ product_form_id }}-submit"
                    type="submit"
                    name="add"
                    class="quick-add__submit button button--full-width button--secondary{% if horizontal_quick_add %} card--horizontal__quick-add{% endif %}"
                    aria-haspopup="dialog"
                    aria-labelledby="{{ product_form_id }}-submit title-{{ section_id }}-{{ card_product.id }}"
                    aria-live="polite"
                    data-sold-out-message="true"
                    {% if card_product.selected_or_first_available_variant.available == false %}
                      disabled
                    {% endif %}
                  >
                    <span>
                      {%- if card_product.selected_or_first_available_variant.available -%}
                        {{ 'products.product.add_to_cart' | t }}
                      {%- else -%}
                        {{ 'products.product.sold_out' | t }}
                      {%- endif -%}
                    </span>
                    <span class="sold-out-message hidden">
                      {{ 'products.product.sold_out' | t }}
                    </span>
                    {%- if horizontal_quick_add -%}
                      <span class="icon-wrap">{% render 'icon-plus' %}</span>
                    {%- endif -%}
                    <div class="loading-overlay__spinner hidden">
                      <svg
                        aria-hidden="true"
                        focusable="false"
                        class="spinner"
                        viewBox="0 0 66 66"
                        xmlns="http://www.w3.org/2000/svg"
                      >
                        <circle class="path" fill="none" stroke-width="6" cx="33" cy="33" r="30"></circle>
                      </svg>
                    </div>
                  </button>
                {%- endform -%}
              </product-form>
            {%- endif -%}
          </div>
        {%- endif -%}
        <div class="card__badge {{ settings.badge_position }}">
          {%- if card_product.available == false -%}
            <span
              id="Badge-{{ section_id }}-{{ card_product.id }}"
              class="badge badge--bottom-left color-{{ settings.sold_out_badge_color_scheme }}"
            >
              {{- 'products.product.sold_out' | t -}}
            </span>
          {%- elsif card_product.compare_at_price > card_product.price and card_product.available -%}
            <span
              id="Badge-{{ section_id }}-{{ card_product.id }}"
              class="badge badge--bottom-left color-{{ settings.sale_badge_color_scheme }}"
            >
              {{- 'products.product.on_sale' | t -}}
            </span>
          {%- endif -%}
        </div>
      </div>
    </div>
  </div>
</div>  
{%- else -%}
  <div class="card-wrapper product-card-wrapper underline-links-hover">
    <div
      class="
        card card--{{ settings.card_style }}
        {% if extend_height %} card--extend-height{% endif %}
        {% if settings.card_style == 'card' %} color-{{ settings.card_color_scheme }} gradient{% endif %}
      "
      style="--ratio-percent: 100%;"
    >
      <div
        class="card__inner{% if settings.card_style == 'standard' %} color-{{ settings.card_color_scheme }} gradient{% endif %} ratio"
        style="--ratio-percent: 100%;"
      >
        <div class="card__media" id="ProductCardPlaceholderImage-{{ card_product.id }}">  {% comment %} Code changed here {% endcomment %}
          <div class="media media--transparent">
            {%- if placeholder_image -%}
              {{ placeholder_image | placeholder_svg_tag: 'placeholder-svg' }}
            {%- else -%}
              {{ 'product-apparel-2' | placeholder_svg_tag: 'placeholder-svg' }}
            {% endif %}
          </div>
        </div>
      </div>
      <div class="card__content">
        <div class="card__information">
          <h3 class="card__heading card__heading--placeholder{% if settings.card_style == 'standard' %} h5{% endif %}">
            <a role="link" aria-disabled="true" class="full-unstyled-link">
              {{ 'onboarding.product_title' | t }}
            </a>
          </h3>
          <div class="card-information">
            {%- if show_vendor -%}
              <span class="visually-hidden">{{ 'accessibility.vendor' | t }}</span>
              <div class="caption-with-letter-spacing light">{{ 'products.product.vendor' | t }}</div>
            {%- endif -%}
            {% render 'price', show_compare_at_price: true %}
          </div>
        </div>
      </div>
    </div>
  </div>
{%- endif -%}


<style>
  .card__information { 
      padding-top: 10px;
  }  

  .collection-product-card__variants {
      display: flex; 
      flex-wrap: wrap;
  }
</style>

Create a new asset file card-product-variant-selection-custom.js

document.addEventListener('DOMContentLoaded', function() {
    var productGrids = document.querySelectorAll('.grid.product-grid');

    productGrids.forEach(function(productGrid) {
      var sectionId = productGrid.getAttribute('data-section-id');
      var variantDataMap = window['variantDataMap' + sectionId.replace(/-/g, '_')];
      
      productGrid.addEventListener('change', function(e) {
          if (e.target.matches('input[type="radio"][data-section-id="' + sectionId + '"]')) {
  
              var card = e.target.closest(`.card-product-custom-div[data-section-id="${sectionId}"]`);
              var variantId = e.target.getAttribute('data-variant-id');
              var variantData = variantDataMap[variantId];
  
              if (!variantData) {
                  console.log('No data found for variant:', variantId);
                  return;
              }
  
              // Update the product image with lazy loading logic
              var productImageElement = card.querySelector('.card__media img');
              if (productImageElement) {
                  var lazyLoadAllVariants = card.getAttribute('data-lazy-load-all-variants') === 'true';
                  if (lazyLoadAllVariants) {
                      var preloadedImage = card.querySelector(`img[data-variant-id="${variantId}"]`);
                      if (preloadedImage) {
                          productImageElement.src = preloadedImage.src;
                          productImageElement.srcset = preloadedImage.srcset;
                      } else {
                          console.log('Matching preloaded image not found for variant:', variantId);
                      }
                  } else {
                      // Update src and srcset for responsive images
                      var dynamicSrcset = [
                          variantData.imageUrl + '?width=165 165w',
                          variantData.imageUrl + '?width=360 360w',
                          variantData.imageUrl + '?width=533 533w',
                          variantData.imageUrl + '?width=720 720w',
                          variantData.imageUrl + '?width=940 940w',
                          variantData.imageUrl + '?width=1066 1066w'
                      ].join(', ');
                      productImageElement.srcset = dynamicSrcset;
                      productImageElement.src = variantData.imageUrl;
                  }
              } else {
                  console.log('No product image element found in this card.');
              }
  
              // Update the product URL
              var productLinks = card.querySelectorAll('a[id^="CardLink-"], a[id^="StandardCardNoMediaLink-"]');
              productLinks.forEach(function(link) {
                  link.href = variantData.productUrl;
              });
  
          } else {
              console.log('Change detected, but not on a swatch.');
          }
      });
    });
});

2. Edit main-collection-product-grid.liquid to Render Variant Swatch Snippet

Add data-section-id="{{ section.id }}" to the ul element with class grid product-grid

<ul
              id="product-grid"
              data-id="{{ section.id }}"
              class="
                grid product-grid grid--{{ section.settings.columns_mobile }}-col-tablet-down
                grid--{{ section.settings.columns_desktop }}-col-desktop
              "
            >

Replace the original card-product code in main-collection-product-grid.liquid with the following card-product-custom code:

{% render 'card-product-custom',
                    card_product: product,
                    media_aspect_ratio: section.settings.image_ratio,
                    image_shape: section.settings.image_shape,
                    show_secondary_image: section.settings.show_secondary_image,
                    show_vendor: section.settings.show_vendor,
                    show_rating: section.settings.show_rating,
                    lazy_load: lazy_load,
                    show_quick_add: section.settings.enable_quick_add,
                    section_id: section.id
                  %}

Add scripting to the bottom of the file

<script>
var variantDataMap{{ section.id | replace: '-', '_' }} = {
  {% assign isFirstVariant = true %}  
  {% for product in collection.products %}
    {% for variant in product.variants %}
      {% if variant.featured_media %}
        {% unless isFirstVariant %},{% endunless %}
        "{{ variant.id }}": {
          "imageUrl": "{{ variant.featured_media | img_url: 'master' }}",
          "productUrl": "{{ product.url | append: '?variant=' | append: variant.id }}"
        }
        {% assign isFirstVariant = false %} 
      {% endif %}
    {% endfor %}
  {% endfor %}
};
</script>
{{ 'card-product-variant-selection-custom.js' | asset_url | script_tag }}

(Optional) Add Swatches To Featured Collections and Search

Featured Collection Page: update featured-collection.liquid code

Add data-section-id="{{ section.id }}" to the ul element with class grid product-grid

<ul
        id="Slider-{{ section.id }}"
        data-section-id="{{ section.id }}"
        class="grid product-grid contains-card contains-card--product{% if settings.card_style == 'standard' %} contains-card--standard{% endif %} grid--{{ section.settings.columns_desktop }}-col-desktop{% if section.settings.collection == blank %} grid--2-col-tablet-down{% else %} grid--{{ section.settings.columns_mobile }}-col-tablet-down{% endif %}{% if show_mobile_slider or show_desktop_slider %} slider{% if show_desktop_slider %} slider--desktop{% endif %}{% if show_mobile_slider %} slider--tablet grid--peek{% endif %}{% endif %}"
        role="list"
        aria-label="{{ 'general.slider.name' | t }}"
      >

similar to main-collection-product-grid.liquid, update featured-collection.liquid to update the new version of card-product-custom

{% render 'card-product-custom',
              card_product: product,
              media_aspect_ratio: section.settings.image_ratio,
              image_shape: section.settings.image_shape,
              show_secondary_image: section.settings.show_secondary_image,
              show_vendor: section.settings.show_vendor,
              show_rating: section.settings.show_rating,
              show_quick_add: section.settings.enable_quick_add,
              section_id: section.id
            %}

add scripting at the end of the file:

<script>
var variantDataMap{{ section.id | replace: '-', '_' }} = {
  {% assign isFirstVariant = true %}
  {% for product in section.settings.collection.products %}
    {% for variant in product.variants %}
      {% if variant.featured_media %}
        {% unless isFirstVariant %},{% endunless %}
        "{{ variant.id }}": {
          "imageUrl": "{{ variant.featured_media | img_url: 'master' }}",
          "productUrl": "{{ product.url | append: '?variant=' | append: variant.id }}"
        }
        {% assign isFirstVariant = false %}
      {% endif %}
    {% endfor %}
  {% endfor %}
};
</script>

{{ 'card-product-variant-selection-custom.js' | asset_url | script_tag }}

Search Page: update main-search.liquid code

Add data-section-id="{{ section.id }}" to the ul element with class grid product-grid

<ul class="grid product-grid  grid--{{ section.settings.columns_mobile }}-col-tablet-down grid--{{ section.settings.columns_desktop }}-col-desktop" 
		role="list" 
		data-section-id="{{ section.id }}"
>

similar to main-collection-product-grid.liquid, update main-search.liquid to update the new version of card-product-custom

{% render 'card-product-custom',
                          card_product: item,
                          media_aspect_ratio: section.settings.image_ratio,
                          image_shape: section.settings.image_shape,
                          show_secondary_image: section.settings.show_secondary_image,
                          show_vendor: section.settings.show_vendor,
                          show_rating: section.settings.show_rating,
                          lazy_load: lazy_load,
                          section_id: section.id
                        %}

add scripting at the end of the file:

<script>
var variantDataMap{{ section.id | replace: '-', '_' }} = {
  {% assign isFirstVariant = true %}
  {% for item in search.results %}
    {% if item.object_type == 'product' %}
      {% for variant in item.variants %}
        {% if variant.featured_media %}
          {% unless isFirstVariant %},{% endunless %}
          "{{ variant.id }}": {
            "imageUrl": "{{ variant.featured_media | img_url: 'master' }}",
            "productUrl": "{% if item.url contains '?' %}{{ item.url | append: '&variant=' | append: variant.id }}{% else %}{{ item.url | append: '?variant=' | append: variant.id }}{% endif %}"
          }
          {% assign isFirstVariant = false %}
        {% endif %}
      {% endfor %}
    {% endif %}
  {% endfor %}
};
</script>

{{ 'card-product-variant-selection-custom.js' | asset_url | script_tag }}

add schema at the top of settings_schema.json

{
"name": "Collection Color swatches",
"settings": [
{
"type": "select",
"id": "CollectionswatchStyle",
"label": "Swatch style",
"options": [
{
"value": "round",
"label": "Round"
},
{
"value": "square",
"label": "Square"
},
{
"value": "square-round-corners",
"label": "Square round corners"
}
],
"default": "round"
},
{
"type": "range",
"id": "CollectionswatchSize",
"min": 20,
"max": 120,
"step": 2,
"unit": "px",
"label": "Swatch size",
"default": 40
}
]
},
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