Of the four main eye colors (brown, blue, green, and hazel), the rarest eye color is green. However, new classifications say another color is even rarer: gray. Brown is the most common worldwide, ...

If you have the rarest hair color and eye color combination, you're one in a million—or more! Do you have dark brown hair and brown eyes? Then you have something in common with most people around the ...

Scientists estimate that the human eye can distinguish up to 10 million colors. That’s pretty impressive, considering the interesting fact that we only have three types of color-perceiving rods in our ...