Brown is the most common eye color worldwide by a large majority. In contrast, green is one of the rarest eye colors worldwide. The color of the eyes depends on how much melanin the eyes contain.

Several genetic markers contribute to our final eye color shade. A baby born with blue eyes can have brown eyes by their 1st ...

Brown eyes are the most common in the world compared with blue and green. This may be the world's most prevalent eye color — approximately 79% of the world population has some shade of brown ...

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 lighting, they can even shift ...

changing your eye color. The young and old have discovered that turning brown eyes blue or hazel eyes green can be as simple as putting in color contacts or as permanent as laser surgery that ...

Scientists at the University of California, Berkeley, who have witnessed the new color they dubbed "olo" described it as a deep, rich blue-greenish hue that can't be seen with the naked human eye.