Color Blind & Low Vision Simulator

This vision simulator allows users to observe how people with colorblindness or low vision may perceive web-based content.

The Color Blind & Low Vision Simulator is an accessibility tool that allows users to test and observe how people with colorblindness or low vision may perceive web-based content. Note: The simulator is active only on the tab in focus. If you don't see a change, refresh the page you want to test. Features: Light and Dark modes 9 color vision options 7 Low vision options Types of color vision: Trichromacy (Normal vision) Protanopia (Red-blind) Protanomaly (Red-weak) Deuteranopia (Green-blind) Deuteranomaly (Green-weak) Tritanopia (Blue-blind) Tritanomaly (Blue-weak) Achromatopsia (Complete color blindness) Achromatomaly (Partial color blindness) Types of low vision: Mild Blur (Slight vision impairment) Moderate Blur (Moderate vision impairment) Severe Blur (Severe vision impairment) Low Contrast (Reduced contrast sensitivity) Cataracts (Cloudy/yellowed vision) Tunnel Vision (Loss of peripheral vision) Central Vision Loss (Loss of central vision acuity)