Simulate color blindness on any image: protanopia, deuteranopia, tritanopia and more. Check how your design looks to everyone. Free, no upload.
About this tool
Preview an image through approximate color-vision simulation modes.
How to use Color Blindness Simulator
- Choose an image.
- Select a Vision type and compare it with Normal vision.
- Download simulation if you need a reference image for a design review.
Worked example
Test a chart to see whether red and green series remain distinguishable without relying only on their hue.
Is the simulation a diagnosis or exact personal experience?
No. It is an approximation for design review; individual vision varies.
Does a readable simulation prove accessibility?
No. Add labels, shapes or patterns and test with users and other accessibility checks.
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