I take in animals that people no longer want and I ended up with a Russian Blue or so the lady told me. When trying to find her a home, someone told me that she wasn't a RB because her (the cat) eyes weren't a vivid green. Now she has yellow colored eyes with a vivid green around the pupils. I'm not sure how old she is, but I know she has had at least one litter of kittens. She doesn't look to be much older then a year maybe a year and a half. So I'm not sure if her eyes are still changing, if RBs have yellow eyes or what. If someone could help me out here I would appreciate it.