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.

Eye color is shaped by a complex interplay of genetics, microscopic iris structure, and the way light scatters within the eye. While lighting, pupil size, and clothing can make eyes appear to change ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this story: Eye color comes down to a pigment ...