How should we account for color vision deficiencies in our design decisions?
💡 Model Answer
To support color vision deficiencies, first ensure sufficient contrast ratios (≥4.5:1 for normal text, ≥3:1 for large text). Avoid using color alone to convey information; add text labels, icons, or patterns. Use tools like the Color Contrast Analyzer or axe to test. Provide a high‑contrast theme option. When choosing palettes, use color‑blind friendly palettes (e.g., ColorBrewer). Document these guidelines in your design system so all teams follow them. Finally, test with simulated color blindness (e.g., Chrome DevTools or Color Oracle) to catch issues early.
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