Compare software

ColorBoxHuetone
Free

Free to use in the browser; no paid tier is shown on the page.

 Free

Free open-source web tool.

Web Web
  • Fine control over each channel with easing curves
  • Shows contrast ratios for every step
  • Uses the perceptually based LCH color space
  • Helps keep palettes accessible across hues
  • Curve-based controls take some learning
  • Aimed at systematic scales rather than quick inspiration
  • Assumes some familiarity with color spaces
  • Aimed at palette building rather than quick color picking
Web application Web application
Closed source Open source
License not stated License not stated
No account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 23, 2026

Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.