Even though the Ishihara Colour Test is a useful test for those with red-green colour deficiencies, it cannot test those who have trouble seeing blue-yellow or only see black and white.
Another test used by clinicians to measure chromatic discrimination is the Farnsworth-Munsell 100 hue test, where the patient is required to arrange a set of coloured caps or chips to form a gradual transition of colour between two anchor caps.
Here we will see an example of this below. Can you arrange the coloured squares by dragging and dropping them in order?
