Read on to learn about the personality traits associated with having brown, black, hazel, green, blue, and gray eyes. Brown eyes are the most common in the world compared with blue and green.

Hazel eyes are a mix of brown, gold, green, and sometimes even gray. Depending on the lighting, they can even shift colors like a mood ring. Only about 10 percent of the world has hazel eyes ...

Medically reviewed by Andrew Greenberg, MD Eye color genetics is complex, with multiple genes from each parent determining a ...