Do you have perfect colour vision?
Test your eyesight by taking this colour quiz, only people with perfect colour vision can read these words!
Colour vision is the ability of an organism or machine to distinguish objects based on the "wavelengths (or frequencies) of the light they reflect, emit, or transmit" - Wikipedia.
Here's a colour vision test that will determine just how well you can see colour, and how good your colour vision really is.
If you want to test your sense of vision, here's another colour quiz that has the internet going crazy
Read: How many colours make up this spiral optical illusion?