Variation Swatches for WooCommerce is a popular plugin where you can add color swatch functionality on your WooCommerce website. Additionally, WPML is the most popular plugin to translate your website.
Here are the steps you need to follow to translate (copy) not only the color attribute name but also the color hex.
First, translate the color attributes. Make sure you also select the color hex into the attribute.
Then go to WPML – Settings and find Custom Term Meta Translation section. Check product_attribute_color and press Save.
Now every time you translate a product, WPML will copy attributes hex color.