what causes eye color
Eye Color. Eye color is based on the number and color of pigment granules (Melanin) in our eyes. These granules range in color from neutral to very dark brown. The darker the pigment, the darker the eyes.And fewer granules result in lighter eyes.Conversely, more granules result in darker eyes.ye color is based on the number and color of pigment granules (Melanin) in our eyes. These granules range in color from neutral to very dark brown. The darker the pigment, the darker the eyes. And fewer granules result in lighter eyes. Conversely, more granules result in darker eyes.