Pick a base color to get harmonious combinations based on color theory — complementary, triadic, analogous, and more.

Harmony types explained

  • Complementary — opposite on color wheel (180°). High contrast, vibrant.
  • Analogous — 3 adjacent colors (±30°). Harmonious, easy on eyes.
  • Triadic — 3 evenly-spaced colors (120°). Balanced and vibrant.
  • Tetradic (Square) — 4 colors evenly spaced (90°). Rich palette.
  • Split-Complementary — base + two adjacent to its complement. Strong contrast without tension.
  • Monochromatic — variations of the same hue at different lightness/saturation.

FAQ

Which harmony should I use?

Complementary for high-energy designs, analogous for calm backgrounds, triadic for balanced UI, monochromatic for minimal aesthetics.

Click a swatch to copy HEX?

Yes — click any color to copy its HEX to clipboard.

What color model is used?

HSL — we rotate the Hue while keeping Saturation and Lightness constant to find harmonies.

Free for commercial use?

Yes, colors aren't copyrightable.