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.

If the internet is this obsessed with eye color, how rare are green eyes in humans? Green sits in the middle zone of pigment ...

Having one of the rarest eye colors can undeniably make you stand out. However, it might also lead to your having hearing problems down the road. (Read what happens if hearing loss goes untreated.) ...