Medically reviewed by Johnstone M. Kim, MD Of the four main eye colors (brown, blue, green, and hazel), the rarest eye color ...

Researchers have found that the color of our eyes may hold significant insight into our behaviors, mental health, and ...

In humans, phenotypically, eye color falls into one of these basic categories -brown, blue or green. Brown eyes are the most common (due to their dominant nature), followed by blue and then green.