Preview how your designs look to users with deuteranopia, protanopia, tritanopia, and other color vision differences
Inability to perceive red light, causing reds to appear as black or dark gray, and greens to appear beige.
Prevalence: Affects approximately 1% of males
Simulate how colors and images appear to people with different types of color blindness, helping you design more accessible content.
Multiple Color Blindness Types
Simulate protanopia (red-blind), deuteranopia (green-blind), tritanopia (blue-blind), and achromatopsia (total color blindness).
Adjustable Severity
Control the severity of the color blindness simulation to represent different degrees of color vision deficiency.
Single Color and Image Modes
Test individual colors or upload images to see how they appear to people with color blindness.
Download Simulated Images
Save the simulated images for use in presentations or documentation about accessibility.