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Material Theme Builder vs Accessible Palette: catalog facts
Material Theme Builder	Accessible Palette
Best for: Designers and developers theming apps with Material Design 3	Best for: Designers building accessible multi-hue color systems
Free Free to use in the browser.	Free Free to use in the browser; no paid tier is mentioned on the page.
Web	Web
Builds a full Material Design 3 scheme from one color Official tool from the makers of the design system	Consistent perceived lightness across hues Shows WCAG 2 and WCAG 3 contrast for each step All 3 strengths for Accessible Palette Consistent perceived lightness across hues Shows WCAG 2 and WCAG 3 contrast for each step Handles several hues side by side
Only useful for projects following Material Design 3 Little information beyond the tool itself on the page	Assumes familiarity with LCh values Developer and export options are not described on the page
Web application	Web application
Not open source	Not open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Sources for Material Theme Builder material-foundation.github.io/material-theme-builder Catalog checked September 23, 2026	Official website Full listing and sources Sources for Accessible Palette accessiblepalette.com Catalog checked September 23, 2026

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