Color Blindness Simulator
Enter one or more HEX colors to preview how they appear under the three most common types of color vision deficiency.
Runs entirely in your browser. Nothing is uploaded.
Runs entirely in your browser. Nothing is uploaded.
How it works
STEP 1
Enter colors
Type or paste HEX color codes (one per line) into the input area.
STEP 2
Simulate
Click Simulate and the tool applies color-vision transform matrices to each color.
STEP 3
Review & export
Compare your original colors against protanopia, deuteranopia, and tritanopia variants, then copy the results.