A color vision test, also known as the Ishihara color test, measures your ability to tell the difference among colors. If you don’t pass this test, you may have poor color vision, or your doctor may ...

What you see here is the Lüscher Color Test which is a psychological tool developed by Dr. Max Lüscher in the 1940s. It is constructed on the idea that your color preferences can reveal a lot about ...

The dominant colour that you choose or see in this image at first glance reveals the core strengths of your personality. Which colour did you see first? Find your core strengths with this optical ...

Colour blindness affects approximately one in 12 men and one in 200 women, which equates to 4.5 per cent of the population or around 2.7 million people in the UK, according to campaign group Colour ...