contrast

Easily calculate color contrast ratios  https://p.ce9e.org/contrast/
git clone https://git.ce9e.org/contrast.git

NameSize
LICENSE1072B
README.md288B
contrast.js4402B
favicon.js466B
index.html1073B
style.css2227B
wcag2.js1411B

Even though there are many contrast calculators, I always Lea Verou's version best. It is the only one I am aware of that supports transparency.

Unfortunately that contrast checker now redirects to some SEO agency. So this is a replacement.