My eyes were deep dark "cow poop" brown from my little Italian mother. Due to the very high amount of steroids that I've been on for 20 years, the melanin has been leeched out. My eyes are now "hazel" like my father's even though my driver's license says brown because that is the color I was born with. If I could ever get off the steroids (no chance), my eyes would eventually return to brown.
Time out for a lesson (sorry, I teach this to school kids as part of my job)
Your eye color depends on the melanin that you have in the pigment epithilium layer on the back of your iris. The color and amount of each is determined by heredity, but can be affected by outside influences. There are only 3 colors of pigment...brown, yellow, and blue. The biggest difference is how much melanin is present in the stroma (front layer of the iris), and how the cellular density scatters light. This is similar to the sky looking blue by how the light is split up when it comes through the atmosphere. Other pigments can be present in the stroma as flecks, star bursts, or rings of color.
There are 7 main categories of eye color (with many subsets). There are as many different eye colors as there are people.
Amber...solid golden brown, do not change color
Brown....most prevalent
Hazel......dominate background color can be brown green, or amber with flecks of the other 2 colors in them/ appear to change color with change of lighting, clothing, etc.
Gray ......may be solid or have tiny flecks of brown, green, or gray making them appear to change color
Green ..... the rarest
Blue....... Violet eyes ala Liz Taylor are actually blue
Red / Violet.....found with albinism due to light reflecting off the blood vessels in the retina