There is evidence that as many as 16 different genes could be responsible for eye color in humans; however, the main two genes associated with eye color variation are OCA2 and HERC2, and both …

Overview The six main eye colors are amber, blue, brown, gray, green and hazel, and many different shades and color patterns are possible.

Learn how eye color is formed, how genetics and melanin work, and how to use a medical eye color chart. Includes rare colors, babies and heterochromia.

Brown is the most common eye color. Individuals with brown eyes have more melanin present, and over half of the people in the world have brown eyes. Gray eyes may be called “blue” at first glance, but …

Jul 27, 2019 · Learn how many eye colors exist, which are most common, and eye color percentages explained by a leading Michigan eye doctor.

Sep 4, 2025 · This article explains why brown is the most common eye color and how certain eye colors are more common in different groups of people. It also discusses the biological and genetic factors …

Eye colour, heritable phenotypic (observable) trait determined by pigmentation and light scattering in the iris of the eye. The iris, the coloured part of the eye, is the ring of muscle and collagen fibres around …

Learn the genetics and fascinating facts of eye color. Discover how different eye colors occur and brush up on your genetics knowledge.

Apr 21, 2025 · We’ll explore the biology of the iris, the types and roles of pigments, the genes responsible for color variations, the inheritance patterns involved, and how eye color evolved in the …

Why do people have different eye colors? Ever look in the mirror and wonder why your eyes are the color they are? Learn what gives eyes their color, common eye colors around the world, and how …