Enter your colors, pick a color-blindness type, and compare the original and simulated swatches to spot pairs that become hard to tell apart.
Common deficiencies including protanopia, deuteranopia and tritanopia, which affect red, green and blue perception.
Around 1 in 12 men have some color vision deficiency, so checking ensures your UI colors stay distinguishable for everyone.
Your colors are transformed with established color-vision-deficiency matrices that approximate how each type perceives them.