Random Accessible Palette
Generate random accessible color palettes with WCAG contrast checks. HEX, RGB, HSL, HSV, OKLCH formats. Browser-local, no upload.
Runs locally in your browser. Your input is not uploaded to DevToolMate servers.
Accessibility heuristic
Contrast checks are a generation heuristic, not a WCAG audit.
Developer Quick Tips
- Set palette size (1-50 colors) and generate. Each color automatically meets 4.5:1 contrast vs. white or black.
- Copy HEX, RGB, HSL, HSV, or OKLCH values directly from each swatch for design handoff.
- Check contrast ratios listed per color to verify readability before using in UI.
- If random search stalls, deterministic hue spread fills remaining slots, generation always completes offline.
- Use as a starter palette for prototypes or brainstorm accessible accent sets for dark and light themes.
Frequently asked questions
What accessibility heuristic does Random Accessible Palette use?
Each generated color must reach at least 4.5:1 contrast against white or black (WCAG AA standard for normal text) and at least 2.2:1 against other palette colors. Contrast ratios are shown per swatch so you can verify readability before use.
What color formats are included?
Each swatch includes HEX, RGB, HSL, HSV, and approximate OKLCH values. Copy any format directly for your design tool or codebase.
Does Random Accessible Palette guarantee full WCAG AAA compliance?
No. The tool generates palettes that meet basic contrast heuristics (4.5:1 vs. white/black, 2.2:1 between colors). Full WCAG AAA compliance depends on text size, UI context, and color-blindness simulation, test your final design in real layouts.
Can I generate 1 color or up to 50?
Yes. Choose palette size from 1 to 50 colors. Invalid or zero counts clamp to sensible defaults before generation.
Does Random Accessible Palette upload my input?
No. All generation runs locally in your browser using the color-random-a11y processor. Your input is never sent to DevToolMate servers.
Related tools
- Color Blindness Simulator: Simulate protanopia, deuteranopia, or tritanopia for one color. See how colorblind people perceive your design. Browser-local, no upload, free.
- Color Palette Generator: Free hex color palette generator using analogous, triadic, and tetradic color schemes. Build harmonious palettes from one seed color in your browser, no upload or account.