Hello,

You can try creating separate attributes for both the colors as you require then assign them as variations to the product.

You can read our detailed documentation in the following link:
https://xtemos.com/docs/woodmart/woocommerce-tutorials/variable-product/
https://xtemos.com/docs/woodmart/woocommerce-tutorials/product-categories-tags-attributes/
https://xtemos.com/docs/woodmart/variable-products-swatches/

Best Regards