CSS Colors Name API - csscolorsapi.com

This is a simple, RESTful API that displays data about all 148 CSS Color Names. Learn More about CSS Color Names. In addition to the color names, which can be used directly in CSS, it also includes RGB and HEX values, theme(light or dark, used for styling), and grouping(used for filtering).

Oh hey, look at that, a perfect lighthouse score. 😉