WhoCanUse: color contrast and vision simulations
A free browser tool for checking text and background contrast, with WCAG grades and previews of different vision conditions and screen-viewing situations.
Resources
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Colour Contrast Checker: Check Text and Background Contrast
A free tool for checking text and background contrast, with WCAG AA and AAA indicators, HEX, RGB and HSL controls, and typography previews.
Colorsinspo — Color Palettes, Gradients & Design Tools
A free platform with thousands of curated color palettes, generators, gradients, contrast tools, tutorials and other resources for designers.
Google Design — Product Design Stories, Guides & Resources
Google’s editorial platform covering UX, Material Design, typography, AI, design systems, accessibility and the process behind digital products.