Hello,
I saw the screenshot you attached.
To disable product colors from the product images Please edit the product attribute and disable the option “Show attribute label on products”.
Screenshot for Clarification: https://ibb.co/k9sYR83
And for the color swatches Please read our detailed documentation in the following link about the variable products and swatches: https://xtemos.com/docs/woodmart/variable-products-swatches/
Best Regards.