The 'Rarest' Eye Color. Only 2 percent of people have green eyes, ... Trump Grilled About NWS Cuts After Deadly Texas Floods. Trump Administration Ends 25-Year Migrant Protections for Two Countries.

But as they grow older, typically between six months and three years of age, the iris produces more melanin, "potentially causing the eyes to darken to hazel, brown, or even a deeper shade of ...

Green is also the rarest eye color in America. A 2014 survey by the Academy found that 45 percent of Americans had brown eyes, 27 percent had blue eyes, 18 percent had hazel eyes and nine percent ...

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 ...

She asks: “Why did our eyes evolve to see many shades of green?” Rods and cones Before we consider the evolutionary benefits, we first need to understand how humans perceive color.

While your eyes bring the world your way, the origins of eye color are fascinating and even mysterious. Primary Menu Sections. US News. ... Green. This is the least common eye color.