Try this out and post your score if you like.
How well do you see color? FACT: 1 out of 255 women and 1 out of 12 men have some form of color vision deficiency. Take the online color challenge, based on the Farnsworth Munsell 100 Hue Test.
Color Test - Online Color Challenge | X-Rite
Online ColorIQ Challenge Results
Your score: 226