Red and Green Color Blind Test Online

Take this quick red-green color vision test to check for color blindness.

Color blind test sample

A person with normal vision sees the leaf on the right, while a person with red-green color blindness sees the leaf on the left.

Color blind test sample

If there are red and green elements on the calendar (such as the image on the right), people with red-green color blindness will not be able to distinguish them (such as the image on the left), so try to avoid using red and green elements when designing.

Red and Green Color Blindness Test - Ishihara Plates

Color Blind Test Plate 1

What number or animal do you see?

Plate 1 of 6

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About Red-Green Color Blindness

Red-green color blindness is the most common type of color vision deficiency. It affects the ability to distinguish between red and green colors. This test uses Ishihara plates to screen for red-green color blindness.

How to Take the Red and Green Color Blind Test

  • Look at each Ishihara plate and enter the number you see
  • If you can't see a number, enter 0
  • After filling in the data, click outside the input box and the answer to this red-green color blindness test will appear
  • Use the left and right arrows to navigate between plates
  • Your answer will be checked automatically after input

Notes

  • This is a screening test and not a medical diagnosis
  • Take the test in a well-lit room
  • Keep your screen at a comfortable viewing distance
  • If you wear glasses or contacts, keep them on
  • Consult an eye care professional for a complete diagnosis