Introducing Color Palette API — zero-key palettes and WCAG contrast at the edge

Just shipped Color Palette API — a free, no-key, CORS-enabled API for generating color palettes and checking WCAG contrast.

Endpoints

• GET /palette?color=3498db&scheme=triadic&count=5
• GET /random?scheme=analogous
• GET /convert?color=%233498db
• GET /contrast?fg=000&bg=fff (WCAG AA/AAA pass/fail)

Schemes supported

complementary, triadic, analogous, tetradic, split-complementary, monochromatic, shades, tints

Try it

curl "https://color-palette.techtenstein.com/palette?color=3498db&scheme=triadic"

Live at https://color-palette.techtenstein.com — OpenAPI 3.1 spec at /openapi.json. MIT.