What is Color Blindness Simulator?
Simulates how designs and charts look to people with color vision deficiencies. Compare protanopia, deuteranopia, tritanopia and achromatopsia side by side.
How to use
- 1
Choose an image to check.
- 2
Compare the results for the four types of color vision.
- 3
Save the result images if you need them.
Use cases
Checking chart colors
Make sure a chart that uses only red and green is still distinguishable.
UI accessibility
Check that button state colors are visible to everyone.
FAQ
Are my files uploaded to a server?+
No. Everything is processed in your browser and files are never uploaded anywhere.