Free Color Blind Test Online
18 Ishihara plates · free color blindness test · no signup · results in under 2 minutes
18-Plate Assessment
Free Online Color Blindness Test
Take our free Ishihara color blind test to check for red-green color blindness, deuteranopia, protanopia, and tritanopia. Get instant results with our scientifically-designed 18-plate color vision screening test. No registration required.
Optimal Setup
- Disable dark mode and blue-light filters (Night Shift, f.lux)
- Set screen brightness to at least 80%
- Ensure you are in a neutral lighting environment
- View screen from a normal reading distance
Free Online Color Blindness Test
This screening uses 18 Ishihara-style plates to detect common forms of color vision deficiency (CVD). Results appear instantly in your browser.
Also try: Ishihara test online, deuteranopia test, tritanopia test.