I will let others dissect the different probabilities for at least 1 and for only 1 and say, yes! Nearly one in ten: http://www.colour-blindness.com/general/pre

I will let others dissect the different probabilities for at least 1 and for only 1 and say, yes! Nearly one in ten: http://www.colour-blindness.com/general/prevalence/ http://www.colour-blindness.com/general/prevalence/ It usually doesn't come up in conversation. Even when I was working on an image processing toolkit, it was several months before I realized my boss was red-green colorblind.