HEX ↔ CMYK Converter

Convert HEX colors to CMYK (Cyan, Magenta, Yellow, Key/Black) and back. Useful for print design and prepress. Device-independent approximation, instant in your browser.

Color Blindness Simulator

See how a color appears to someone with protanopia, deuteranopia, tritanopia or achromatopsia. Based on the Brettel–Viénot–Mollon (1997) model. Runs entirely in your browser.

Color Mixer

Mix two colors at any ratio using physically accurate linear-light blending. Get the resulting HEX and RGB. Private, instant, in your browser.

Color Palette Generator

Generate perceptually balanced color palettes using scientifically accurate OKLCH harmonies. Complementary, analogous, triadic — driven by CIE color science.

Color Tints & Shades

Lighten, darken or saturate any color using perceptually uniform OKLCH adjustments. Great for design systems and UI theming. Private, in your browser.

HEX ↔ HSL Converter

Convert HEX color codes to HSL (Hue, Saturation, Lightness) and back. Essential for CSS theming. Instant, private, runs in your browser.

OKLCH Color Converter

Convert HEX colors to OKLCH (Björn Ottosson 2020) and back. OKLCH is the state-of-the-art perceptual color space — native in CSS Color Level 4. Zero-dependency, runs in your browser.

WCAG Contrast Checker

Check text-to-background contrast ratio against WCAG 2.2 AA/AAA standards. Accessibility compliance in your browser.