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Color Blindness Simulator – Test Colors for Accessibility

Simulate color vision deficiencies, test WCAG contrast, and get accessible color alternatives for inclusive design.

🟢 Runs locally · no uploads

Color Blindness Simulator

Test color accessibility for different types of color vision deficiencies

lightbulbPopular Use Cases

accessibility
Website Accessibility

Test website color schemes for users with color vision deficiencies

traffic
Traffic Signal Design

Verify traffic light colors are distinguishable for color-blind drivers

bar_chart
Data Visualization

Create accessible charts and graphs with distinguishable color palettes

palette
Brand Color Testing

Ensure brand colors maintain distinction across all vision types

colorizeInput Colors

favoriteQuick Presets

settingsConfiguration

visibility

Enter colors and click Simulate to begin

lightbulbQuick Examples & Practice
▼
Traffic Light Test
#FF0000 #FFFF00 #00FF00
Website Color Palette
#2563EB #DC2626 #059669 #D97706

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› About this tool · FAQ

Simulate how colors appear to people with different types of color vision deficiencies. Test website accessibility, generate reports, and get alternative color recommendations for inclusive design.