what determines eye colour ??

Pigment in the iris are responsible for eye colour . Depending on how much melanin is stored in the iris, a colour will result which can range from pale blue to dark brown. people with blond hair produce only very small amount of melanin and this results in their eyes reflecting more of the blue light that strikes it, causing their almost colourless iris to appear blue. With increasing quantities of melanin ,eyes range from greenish to dark brown..