If you have the rarest hair color and eye color combination, you're one in a million—or more! Here's the pair that makes you a rarity.

Exactly how is a person's eye color determined? It depends on the amount, type and distribution of melanin, or pigment, in the iris of the eye, a genetics expert reveals — and more.

Eyes are the sensory organs of vision. The very first thing that we notice about someone’s eyes is the color of the eyes. Eyes attain a color when the iris gets pigmented by melanin. Melanin is ...

Eye color is complicated. But until a few years ago, few scientists described it that way. As recently as the aughts, it was believed that eye color was determined by a single gene — brown, dominant; ...

What determines the shade of your peepers? Experts weigh in on the rarest eye color in the world—and the genetics behind it.

Regardless of how they look, all human eyes are in fact brown at their core, with the reflection of light determining the color we see in them.

Being recessive or dominant has nothing to do with whether or not a trait is common. Still, the combination of red hair and green eyes tends to be uncommon in today’s population.

Dr. Rupa Wong unpacks the intricacies behind different eye colors, including the rarest eye color in the world.

The brown eye color allele is dominant over the blue eye allele. You can have brown eyes whether you’re homozygous (two alleles for brown eyes) or heterozygous (one for brown and one for blue).

But that’s a simplistic view of eye color, and determining hair color is even more complicated. “Hair color is a bit more complex than dominant and recessive and is related to variants in the ...

Regardless of how they look, all human eyes are in fact brown at their core, with the reflection of light determining the color we see in them.