Color Blindness Simulator - Protanopia

Upload an image or palette to see how it looks to someone with protanopia.

Simulates how this color appears with Protanopia (red-blind).

Original

Protanopia (red-blind)

Summary

Upload an image or palette to see how it looks to someone with protanopia.

How it works

  1. Upload an image or enter colors
  2. Click Simulate Protanopia
  3. Review the result and adjust reds in your design if needed

Use cases

  • Check that red warning indicators are distinguishable
  • Test traffic-light color coding in UI components
  • Verify map or chart color schemes for protanopia

Frequently Asked Questions

Last updated: 2026-07-01 · Reviewed by Nham Vu