How to add "ok" button to input color in "lame" browsers?

Question

css

I’m doing a wysiwyg editor now and I’ve encountered difficulty
in chromium-based browsers, it definitely requires changing the color of the
ok button to use the last selected or default one, which is wildly inconvenient

, tell me is it possible to add a button or will I have to sculpt a custom color choice?

Answer 1

Impossible.

Answer 2

samopisnaya choice of color sculpt