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HCL Wizard vs Coloring for Colorblindness: catalog facts
HCL Wizard	Coloring for Colorblindness
Free Used directly in the browser; no pricing is mentioned.	Free Free to use in the browser.
Web	Web
Perception-based HCL color space Color vision deficiency emulator for checking figures	Previews palettes under several types of color blindness Useful for charts and data visualisation colors
Aimed at data visualization more than general design Assumes some familiarity with color space concepts	Simulation only, with no automatic palette fixing Single-page tool with few other features
Web application	Web application
Closed source	Closed 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
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 2, 2026

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