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Color Blindness
Simulate color blindness. This tool runs 100% locally in your browser.
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Test Accessibility Instantly.
Simulate different types of color vision deficiencies to ensure your designs are inclusive.
RED
GREEN
BLUE
YELLOW
SIMULATION ACTIVE
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What is Color Blindness?
Check how your designs look to people with different types of color blindness (Protanopia, Deuteranopia, Tritanopia).
Ensure your website is accessible to the 300 million color-blind people worldwide.
When to Use This Tool
- 1Checking button visibility
- 2Validating chart colors
- 3Accessibility audits
Examples
Input
Red/Green Chart
Result
Simulates confusion for Deuteranopia
Frequently Asked Questions
What is Deuteranopia?
It is the most common form of color blindness, often called 'Green-blind', making it hard to distinguish red and green.
Privacy & Security
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