SiteDesign Tools & Generators · Color
Enter a foreground and background pair and see, per vision-type, which real groups of people can actually read it.
Why it’s a gem
Reframes contrast from a passing score into named humans affected. Persuasive in reviews.
Searchable archive of roughly 23,000 colour palettes extracted from 3,000 painters' artworks, with a colour wheel and image analyser.
Terminal, chart, heatmap and UI palettes engineered to stay distinguishable after aggressive Redshift or Night Shift warm-screen filtering.
Archive of every solid desktop background colour shipped by classic operating systems: 194 colours across 22 platforms, 1985 to 2024.
Spacebar-driven palette generator with 10M+ browsable palettes, image colour extraction, contrast checking, gradient tools and palette mockup previews.
Builds custom palettes in the HSLuv color space with live WCAG and APCA contrast checks, exporting to Tailwind, CSS and Figma.
Generative random-color explorer with perceptual distance controls, color-blindness preview and a genuinely playful interface.