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Coloring for Colorblindness vs Viz Palette: catalog facts
Coloring for Colorblindness	Viz Palette
Free Free to use in the browser.	Free Free to use in the browser.
Web	Web
Previews palettes under several types of color blindness Useful for charts and data visualisation colors	Simulates several color vision deficiencies Flags colors that are hard to distinguish at different sizes
Simulation only, with no automatic palette fixing Single-page tool with few other features	Focused on data visualization palettes only Does not generate palettes itself; links to other tools for that
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	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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