Question: what breed are gray cats?
Answer: Russian Blue. Known for their mesmerising dark grey coats with a shimmering silver hue and captivating green eyes, the Russian Blue is one of the most famous grey cat breeds. ... 
Chartreux. ... 
Domestic Shorthair. ... 
British Shorthair. ... 
The Korat. ... 
Nebelung. ... 
American Shorthair.