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Accessible PaletteColorBox
Free

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

 Free

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

Web Web
  • Consistent perceived lightness across hues
  • Shows WCAG 2 and WCAG 3 contrast for each step
  • Fine control over each channel with easing curves
  • Shows contrast ratios for every step
  • Assumes familiarity with LCh values
  • Developer and export options are not described on the page
  • Curve-based controls take some learning
  • Aimed at systematic scales rather than quick inspiration
Web application Web application
Closed source Closed source
License not stated License not stated
No account needed No account needed
Not stated if it works offline Not stated if it works offline

Checked September 23, 2026

Checked September 23, 2026

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