Colour Blind Simulator

Simulates how colours appear to people with deuteranopia (red-green), protanopia (red-green), tritanopia (blue-yellow), or achromatopsia (monochrome) colour vision deficiency.

• →Upload an image or enter a set of hex colour values to simulate.
• →Switch between deficiency types to see how each affects the colour appearance.
• →Use this alongside the Contrast Checker to ensure your UI works for all users.