About This Test
The Science of Color Blindness Tests
This Color Blind Test uses pseudoisochromatic plates, widely known as the Ishihara Test. It is designed to detect Color Vision Deficiency (CVD) by using dots of varying sizes and brightness, arranged to form a number that is only visible if you can distinguish specific colors.
How Reliable is this Online Test?
This browser color-pattern exercise is not clinically calibrated and cannot diagnose color-vision deficiencies. If vision concerns persist, seek a professional eye examination.