Ishihara colour visual test and test for shades of grey
Ishihara Colour Test
To test your ability to differentiate between colours using these twelve Colour Test Plates, click on Plate 01 below. A box pops up with a number in it. Make a note of the number, then close the box. Repeat for plates 02 to 12. The test was designed by Dr. Shinobu Ishihara.
Finally, click on Results to analyse your results.
To test your ability to differentiate between shades of grey, click on the link below and follow the instructions. The test was developed by Dr. Kölbl. It is a PDF file that opens in a new box.