while purple could be seen as blue. Cats may not see as many colors as humans but have better light perception. Cats will adjust their eyes during the day, allowing less light to filter in ...

Copper eyes in cats are a deep orange colour that can look like it has light brown in it. These are rare and striking ...

Most Persians have gorgeous blue eyes but there can be exceptions ... as you can see there are many beautiful grey cat breeds ...

"When I saw his photo I didn't believe he was real," Joseph's owner said of the unique-looking cat Benjamin VanHoose is a Staff Editor on the Movies team at PEOPLE. He has written about ...