Color Blindness Simulator

The simulator covers the most common types of color vision deficiency: protanopia (red-blind), deuteranopia (green-blind), tritanopia (blue-blind), and achromatopsia (complete color blindness). Each simulation uses scientifically validated color transformation matrices.

Select a color or upload an image, then switch between color blindness types to see how your design appears to affected users. If important elements become indistinguishable, consider adjusting colors, adding patterns, or using labels to improve accessibility.

Approximately 8% of males and 0.5% of females have some form of color vision deficiency. Red-green color blindness (protanopia and deuteranopia) is the most common form. Designing for color blindness ensures your content is accessible to about 300 million people worldwide.