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HCL Wizard vs Viz Palette: catalog facts
HCL Wizard	Viz Palette
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	Simulates several color vision deficiencies Flags colors that are hard to distinguish at different sizes
Aimed at data visualization more than general design Assumes some familiarity with color space concepts	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
No account needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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