mtools.lol

Palette Generator

Build a colour palette from one colour using colour theory: analogous, complementary, triadic and more.

How it works

  1. 1Pick or type a base colour.
  2. 2Choose a colour-theory scheme.
  3. 3Click colours to copy, or export them all.

Features

  • 7 schemes from colour theory.
  • Readable-text hint (WCAG AA) for every colour.
  • Export as CSS variables or JSON.
  • Random start colour.

Frequently asked questions

Which scheme should I use?

Analogous for calm, cohesive designs; complementary for strong contrast; triadic for vibrant but balanced; shades for UI colour scales.

What does white AA mean?

White text on that colour meets the WCAG AA contrast ratio of 4.5:1 for normal text.

Is anything sent?

No. It runs in your browser.