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Data Color Picker vs Viz Palette: catalog facts
Data Color Picker	Viz Palette
Best for: Analysts and designers choosing colors for charts and dashboards	Best for: Designers and developers choosing chart colors that stay readable
Free Free web tool from Learn UI Design, which also sells design courses.	Free Free to use in the browser.
Web	Web
Palette, single-hue and divergent modes Preview on light or dark backgrounds All 3 strengths for Data Color Picker Palette, single-hue and divergent modes Preview on light or dark backgrounds Copy HEX values or export as SVG	Simulates several color vision deficiencies Flags colors that are hard to distinguish at different sizes All 3 strengths for Viz Palette Simulates several color vision deficiencies Flags colors that are hard to distinguish at different sizes Copies palettes as JavaScript arrays
Limited to eight colors per palette Focused on data visualization rather than general UI palettes	Focused on data visualization palettes only Does not generate palettes itself; links to other tools for that
Web application	Web application
Not open source	Not open 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 Sources for Data Color Picker learnui.design/tools/data-color-picker.html Catalog checked September 24, 2026	Official website Full listing and sources Sources for Viz Palette projects.susielu.com/viz-palette Catalog checked September 23, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.