Color API
Programmatically convert, parse, compare, and generate colors. REST API with sub-second response times and a free tier available.
Features
One API for naming, converting, checking and generating colors.
Generate beautiful, consistent names for any color. From descriptive names like "Ocean Blue" to systematic names like "cerulean 400".
Convert between HEX, RGB, RGBA, HSL, HSLA, OKLCH, OKLAB, LCH, LAB, and more.
Check WCAG compliance, calculate contrast ratios, and simulate color blindness. Build inclusive interfaces with confidence.
Generate harmonious color palettes from a single color. Create monochromatic, analogous, complementary, or custom scales.
Extract perceptual properties like hue, saturation, lightness, temperature, and brightness. Understand colors at a deeper level.
Fix out-of-gamut colors, correct contrast issues, and repair broken color values automatically.
Parse colors from any format—CSS strings, hex codes, color functions, or CSS color names like "skyblue".
Analyze up to 50 colors in one request. Useful for design systems, themes and audits.
Pricing
Start free and scale as you grow. No hidden fees, no surprises.
Perfect for hobby projects and learning
$0/yr
25 RPM, burst 8
FAQ
Chrome Extension
Pick any color on a page and copy its hex code or OKLCH, with color names and the closest Tailwind colors.
Get your free API key and start converting, naming, and generating colors in seconds. No credit card required.