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Data Color Picker vs HCL Wizard: catalog facts
Data Color Picker	HCL Wizard
Best for: Analysts and designers choosing colors for charts and dashboards	Best for: Researchers choosing color palettes for plots and figures
Free Free web tool from Learn UI Design, which also sells design courses.	Free Used directly in the browser; no pricing is mentioned.
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	Perception-based HCL color space Color vision deficiency emulator for checking figures All 3 strengths for HCL Wizard Perception-based HCL color space Color vision deficiency emulator for checking figures Matches the colorspace packages for R and Python
Limited to eight colors per palette Focused on data visualization rather than general UI palettes	Aimed at data visualization more than general design Assumes some familiarity with color space concepts
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	Not stated if it works offline
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 HCL Wizard hclwizard.org Catalog checked September 24, 2026

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