Hello,
Here i want to confirm you that I will edit existing products where you will be able to filter by colours, please share your website URL.
I have extensive experience in designing and developing websites using WordPress/Woo-commerce, Working with E-commerce website, PHP, MySQL, HTML/CSS/Javascript, APIs Integration, AJAX, SEO, Forms, etc... theme development, plugin development, PSD to WordPress/Drupal, customization of WP core for development of custom modules.
Thanks
Manu