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.

More than 50% of people worldwide have brown eyes, making brown the most common eye color. Some medical conditions can also affect eye color. Share on Pinterest ohlamour studio/Stocksy United The ...

Eye color comes down to a pigment called melanin. The more melanin your irises produce, the darker your eyes. Your genes are the main thing controlling how much pigment you make. But your DNA ...

"The eyes are the window to the soul," notes a timeless quote. And while your eyes also bring the world your way, the origins of eye color are fascinating and even mysterious. To help lay out the ...