Color Blindness Simulator
Simulate how colors appear to people with different types of color vision deficiency. Test your designs for accessibility.
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Color Blindness Simulator - Test Accessibility
Our free Color Blindness Simulator helps designers and developers ensure their work is accessible to people with color vision deficiency. About 8% of men and 0.5% of women have some form of color blindness.
Types of Color Blindness
- Protanopia: Red-blindness, difficulty distinguishing red and green
- Deuteranopia: Green-blindness, most common form, red-green confusion
- Tritanopia: Blue-blindness, rare, difficulty with blue and yellow
- Achromatopsia: Complete color blindness, sees only in grayscale
- Protanomaly: Reduced sensitivity to red
- Deuteranomaly: Reduced sensitivity to green, most common type
- Tritanomaly: Reduced sensitivity to blue
Design Tips for Accessibility
- Don't rely on color alone to convey information
- Use patterns, icons, or text labels alongside colors
- Ensure sufficient contrast between text and backgrounds
- Test your designs with color blindness simulators
- Consider using colorblind-friendly palettes
Related Tools
- Color Palette Generator - Create harmonious palettes
- Contrast Checker - Check WCAG compliance
- Color Converter - Convert between formats