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Colorblind Simulator — Test UI for Vision Accessibility
See what others actually see.
Colors don’t look the same to everyone. And sometimes that breaks the entire design.
How it Works
Simulates how colors appear under different types of color vision deficiency like Protanopia, Deuteranopia, and Tritanopia.
Engineered Difference
Unlike cloud-based alternatives, this tool runs entirely locally for maximum speed and privacy.
Operational Benefits
Test designs for real-world accessibility
Supports multiple vision conditions
Spot color conflicts instantly
Helps improve inclusive design
How to Use
1
Step 1
Upload or input your design.
2
Step 2
Switch between vision modes.
3
Step 3
Review and adjust your colors.
Common Use Cases
Frequently Asked Questions
Everything you need to know about using this tool securely.
Q.Why do some colors look similar in simulation?
Certain colorblind conditions reduce the ability to distinguish specific color ranges, making them appear similar.