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iWantHue vs Data Color Picker: catalog facts
iWantHue	Data Color Picker
Best for: Data scientists choosing colors for charts with many categories	Best for: Analysts and designers choosing colors for charts and dashboards
Free Free to use, with source code on GitHub.	Free Free web tool from Learn UI Design, which also sells design courses.
Web	Web
Produces perceptually distinct colors Colorblind-friendly option All 4 strengths for iWantHue Produces perceptually distinct colors Colorblind-friendly option Exports to JSON, CSS and JavaScript in several color spaces Can correct or complete an existing palette	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
Aimed at categorical data colors, not brand or UI palettes Colorblind optimisation is slow	Limited to eight colors per palette Focused on data visualization rather than general UI palettes
Web application	Web application
Not open source	Not open 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 Sources for iWantHue medialab.github.io/iwanthue Catalog checked September 24, 2026	Official website Full listing and sources Sources for Data Color Picker learnui.design/tools/data-color-picker.html Catalog checked September 24, 2026

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