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InclusiveColorsColorBox
Free

The site lists no paid tier.

 Free

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

Web Web
  • Precise control of every tint and shade
  • Live WCAG and APCA contrast checks between color pairs
  • Fine control over each channel with easing curves
  • Shows contrast ratios for every step
  • Still in beta
  • Focused on UI palettes rather than general color exploration
  • 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
Not stated if an account is needed No account needed
Not stated if it works offline Not stated if it works offline

Checked October 1, 2026

Checked September 23, 2026

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