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Viz Palette vs HCL Wizard: catalog facts
Viz Palette	HCL Wizard
Free Free to use in the browser.	Free Used directly in the browser; no pricing is mentioned.
Web	Web
Simulates several color vision deficiencies Flags colors that are hard to distinguish at different sizes	Perception-based HCL color space Color vision deficiency emulator for checking figures
Focused on data visualization palettes only Does not generate palettes itself; links to other tools for that	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
No account needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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