High-Contrast Palette GeneratorHigh-Contrast Palette Generator
Generates dark-mode UI palettes checked for real WCAG contrast ratios and previewed under a protanopia simulation — so a palette that "looks fine" to you also holds up for red-deficient color vision, not just guessed at.
Live preview — palette applied to real UI elements
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Contrast ratios are computed against both black (#0b0f16) and white (#f5f5f5) text using the real WCAG relative-luminance formula — "pass" means ≥4.5:1 (WCAG AA for normal text). The protanopia simulation uses a standard dichromacy transform matrix (Brettel/Viénot), not a rough desaturation guess.