Why do some Yemenis have green/blue eyes and light brown hair?

Probably due to slavery. Zabid and Aden were important slave ports for hundreds of years. read more

Since eye and hair color are the direct result of genetics, there’s a high probability that those Yemenis have descended from ancestors with those specific unique characteristics. read more

However, Indians (although in small numbers) are seen to have blue/green/grey eyes for whatsoever reason. I was born to a Bengali father and an Assamese mother with light brown and dark brown eyes respectively. However, due to some reason I have blue-green-grey eyes. read more

Some eyes appear blue, green or hazel not because they have different color pigments, but because they have less melanin. With less melanin in the eye, less light is absorbed. That means more light is scattered out from the iris. When light is scattered, it reflects differently along the light color spectrum. So eyes with the least melanin in them will appear blue. If the iris has a little more melanin, then it will appear green or hazel. read more