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No, is the answer, but their color vision is pretty bad. By the first half of this century, scientists were certain that cats were completely color blind, and one expert revised a popular saying to say, “Day and night, all cats see grey.” That was the prevailing attitude in the 1940s, but more measured research has been done in recent decades, and it’s now accepted that cats are able to discern certain colors, but apparently not with very much finesse.
The reason previous experiments failed to show the existence of cats’ color vision was that in discrimination tests, cats quickly became aware of subtle differences in the grayscale stage of colors and then refused to give up those cues when presented with two colors of exactly were faced the same degree of gray. Therefore, the tests were negative. Using more advanced techniques, recent studies have been able to prove that cats can distinguish between red and green, red and blue, red and gray, green and blue, green and gray, blue and gray, yellow and blue, and gray. Whether they can distinguish other color pairs is still questionable. For example, one expert thinks he can also tell the difference between red and yellow, but other experts disagree.
Whatever the outcome of this research, one thing is for sure: color isn’t as crucial in cats’ lives as it is in ours. Their eyes are much better attuned to seeing in low light, where they only need 1/6 the light we need to see the same details of movement and shape.
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