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Originally Posted by shalym
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No, she didn't. It was only certain lighting made it seem so. She had blue eyes.
Really violet eyes are really red, due to total lack of pigmentation. Albinism. Actual violet eye colouring doesn't exist.
Brown is the natural and common colour and can be quite dark. It's actual colouring. Everything else is a mutation.
Green and Blue eyes are due to similar mechanisms and in some areas of Ireland and Scotland nearly 90% are blue or green. Though world wide both are rare. Grey is also rare and actually a similar mechanism to Blue. They are due to lack of the colouring of brown eyes and don't actually have a green or blue pigment.
Amber and hazel. More common than green/blue/grey. Amber is a solid colour and unrelated to hazel, which are very variable.
Cats can have two eye colours. In humans it's usually due to an injury, see David Bowie.