WooCommerce: Switch Image Background On Color Variation Selection

You could upload 10 images, one for each color of your variable product… or you could be slightly smarter and simply upload 1 “blank” image, and then when the user selects a color trigger a background color change!

Easier to code than to explain, so let’s take a look at the screenshot below (image must be a PNG with transparent background) and the PHP snippet. This could be a time-saver, enjoy!

The final output: background-color switches to “Red” once the “Red” variation is selected.

PHP Snippet: Switch Featured Image Background Color On Color Variation Select @ Single Product Page

/**
 * @snippet       Switch Image Background @ WooCommerce Single Variable Product
 * @how-to        Get CustomizeWoo.com FREE
 * @author        Rodolfo Melogli
 * @compatible    WooCommerce 4.0
 * @donate $9     https://businessbloomer.com/bloomer-armada/
 */

add_action( 'woocommerce_after_variations_form', 'bbloomer_switch_image_background_variable_colors' );

function bbloomer_switch_image_background_variable_colors() {
	
	wc_enqueue_js( "
	
		$('input.variation_id').change(function(){
			if('' != $('input.variation_id').val()) {
				if($('#pa_color').val() =='red'){
					$('.woocommerce-product-gallery figure').css('background-color', 'red');
				} else if($('#pa_color').val() =='yellow'){
					$('.woocommerce-product-gallery figure').css('background-color', 'yellow');
				} 
			} else {
				$('.woocommerce-product-gallery figure').css('background-color', 'transparent');
			}
		});
	
	");
	
}

Where to add this snippet?

You can place PHP snippets at the bottom of your child theme functions.php file (before "?>" if you have it). CSS, on the other hand, goes in your child theme style.css file. Make sure you know what you are doing when editing such files - if you need more guidance, please take a look at my free video tutorial "Where to Place WooCommerce Customization?"

Does this snippet (still) work?

Please let me know in the comments if everything worked as expected. I would be happy to revise the snippet if you report otherwise (please provide screenshots). I have tested this code with Storefront theme, the WooCommerce version listed above and a WordPress-friendly hosting on PHP 7+.

If you think this code saved you time & money, please join other Business Bloomer supporters and avail of 365 days of WooCommerce benefits. Thank you in advance :)

Need Help with WooCommerce Customization?

Check out these free video tutorials. You can start learning how to customize WooCommerce without unnecessary plugins. Watch me code and learn by example!

  • how-to-edit-woocommerce-with-php-snippets
  • woocommerce-hooks-add_action-list-visual
  • woocommerce-customize-single-product-page-PHP

Rodolfo Melogli

Author, WooCommerce expert and WordCamp speaker, Rodolfo has worked as a WooCommerce freelancer since 2011. His goal is to help entrepreneurs and developers overcome their WooCommerce nightmares. Rodolfo loves travelling, chasing tennis & soccer balls and, of course, wood fired oven pizza.

2 thoughts on “WooCommerce: Switch Image Background On Color Variation Selection

  1. Wow Brilliant! I never had to use variants so far but definitely will visit back when it comes. As always you are the best!

    1. Thanks Peter!

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