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Coloring for ColorblindnessHCL Wizard
Free

Free to use in the browser.

 Free

Used directly in the browser; no pricing is mentioned.

Web Web
  • Previews palettes under several types of color blindness
  • Useful for charts and data visualisation colors
  • Perception-based HCL color space
  • Color vision deficiency emulator for checking figures
  • Simulation only, with no automatic palette fixing
  • Single-page tool with few other features
  • Aimed at data visualization more than general design
  • Assumes some familiarity with color space concepts
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 2, 2026

Checked September 24, 2026

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