Question

which factor influences the colour of eye

Answer 1

There are two main factors that help determine your eye color.
1. the amount and pattern of dark brown pigment called melanin in the part of your eye called iris and the way in which the iris scatters light that passes through the eye.
2. The most important factor is pigment which is determined by your genes

Answer 2

Answer:

Eye color is determined by variations in a person's genes. Most of the genes associated with eye color are involved in the production, transport, or storage of a pigment called melanin. Eye color is directly related to the amount and quality of melanin in the front layers of the iris.