For this reason, hazel eyes often appear to change colors; more green, amber, or brown depending on their environment." The greenish-brown mix of hazel eyes is an uncommon color, as only 5% of the ...

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

Brown eyes are rich in melanin, which not only gives them their color but also provides natural UV protection. Hazel eyes are a mix of brown, gold, green, and sometimes even gray. Depending on the ...