While light hair colors like shades of blond come to mind first when thinking of blue eyes, Megan Fox demonstrates how flatting a deep espresso brown is.

In most cases, you’d have blue eyes and hair somewhere on the spectrum of blond to brown or red hair with brown, hazel or green eyes. According to an article by evolutionary biology professor ...

the pigment that colors hair, skin, and eyes. Eiberg's theory is that a mutation occurred between 6,000 and 10,000 years ago that switched on the ability for the gene to dilute brown eyes to blue.