Jamesy wrote:
I heard that hazel is a variation of brown and that green is a variation of blue.
The two main factors in determining eye colour is the amount of melanin and how the light is scattered in the iris.
Blue eyes are caused by a mutation which causes a lower level of melanin. Likewise, green eyes have lower levels of melanin than brown eyes, but have higher levels than blue eyes. The same mutation is responsible for green and blue eyes, so you are correct. It's just a matter of how low the melanin is that determines the distinction / difference in appearance. I've known people with eyes that were ambiguously greenish blue or blueish green. It's a spectrum I suppose you could say.
Grey eyes are considered to be a faded shade of blue. It's not that uncommon for dark blue eyes to fade into a grey.
Hazel eyes and amber eyes have a moderate amount of melanin. More than green, less than brown. Sort of a middle ground if you will.
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Almost 25. Near the spectrum but not on it.