It is generally believed that around 1 out of 255 women and 1 out of 12 men may have some degree of color blindness. When you consider the importance color plays in the products we buy, our aesthetic tastes, and the design decisions we make when we decorate, it's quite intriguing to consider that many of us likely don't perceive colors the same way. Color Test - Online Color Challenge | X-Rite Come on then, most should be able to beat my 4. Edit: Be interesting if you could also put if you were using an ipad, laptop or computer whatever. I do think display type will have an effect. I was using a computer monitor.