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About Color Blindness Simulator

Test how your designs appear to people with color vision deficiency. Simulate protanopia, deuteranopia, tritanopia, and other types. Essential for accessible design.

How to Use

  1. 1Upload an image
  2. 2Select color blindness type
  3. 3View simulated appearance
  4. 4Compare side-by-side

Key Features

  • Protanopia simulation (red-blind)
  • Deuteranopia simulation (green-blind)
  • Tritanopia simulation (blue-blind)
  • Achromatopsia (total color blindness)
  • Side-by-side comparison

Common Use Cases

Accessibility testingInclusive designUI/UX evaluationColor palette validationEducational purposes

Privacy First

All processing happens directly in your browser. Your files never leave your device and are never uploaded to any server.