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Color Palette Generator

Build complementary, analogous, triadic and monochromatic palettes from one base colour. It runs entirely in your browser — no signup, no installation, and nothing you paste or drop leaves your device.

Complementary
Analogous
Triadic
Tetradic
Split complementary
Monochromatic
Tints (mixed with white)
Shades (mixed with black)
Harmonies are calculated in HSL by rotating the hue: complementary 180°, analogous -30°/0°/+30°, triadic 120°/240°, tetradic 90°/180°/270°, split complementary 150°/210°. Saturation and lightness stay unchanged, and the monochromatic row keeps the hue and saturation while stepping the lightness by -30, -15, 0, +15 and +30 points. Tints are mixed with white, shades with black, each in five steps and rounded per channel.

How the Palette Generator Builds Harmonies

Pick a base colour and the generator derives the standard colour-wheel relationships from it. Every harmony is calculated in HSL by rotating the hue and keeping saturation and lightness: complementary 180 degrees, analogous minus and plus 30 degrees, triadic 120 and 240 degrees, tetradic 90, 180 and 270 degrees, split complementary 150 and 210 degrees. The monochromatic row keeps hue and saturation and moves the lightness in five steps, so the colours stay in the same family. Below that you get five tints mixed with white and five shades mixed with black, which is what most interfaces need for hover states and borders. Each swatch shows its HEX value with a copy button, and the whole palette can be exported as plain text or as JSON. The tool calculates harmonies from the colour model; it does not read colours out of photos and does not check accessibility.

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What is Color Palette Generator?

Color Palette Generator is a free online file converter built for anyone converting images, audio, video, units or colours. Build complementary, analogous, triadic and monochromatic palettes from one base colour In practice you pick a base colour, choose complementary, analogous, triadic or monochromatic, and then copy the finished palette values.

Files are processed in the browser with Canvas and WebAssembly, so photos, IDs and client material are never uploaded to a server.

How to use Color Palette Generator

  1. Pick a base colour.
  2. Choose complementary, analogous, triadic or monochromatic.
  3. Copy the finished palette values.

Color Palette Generator FAQ

Is Color Palette Generator free to use?

Yes. Color Palette Generator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits.

Is my data uploaded anywhere?

No. Color Palette Generator runs entirely in your browser, so the text, file or number you enter never leaves your device.

Does Color Palette Generator work on a phone or tablet?

Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create.

How do I use Color Palette Generator?

Pick a base colour. Choose complementary, analogous, triadic or monochromatic. Copy the finished palette values.

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