Researchers in Italy tested 16 dogs on their color vision and found the canids had red-green colorblindness, a condition known as deuteranopia that affects about 8 percent of men and 0.5 percent ...

It’s not quite as simple as that, but we can compare a dog only seeing blues, yellows, and grays to the vision of a person with red-green color blindness, even if it’s not exactly the same.

Dog owner Haley Deecken says it took her pups seven to eight 15-minute-long sessions to grasp the colors and play Uno ...

The dogs were given a choice between three bowls—each a different color—but the same food inside. Surprisingly, the majority picked the same color bowl, even when all options were equal.

Many animals have color preferences. For example advertising research has shown that humans are attracted to the color red. Suppose that you were a dog-toy manufacturer and you wanted to select ...

"Dogs see a smaller range of colors than people do. We have three types of color-detecting cells (cones) in our eyes that respond to red, blue, and green light, while dogs only have two types of ...

Red isn't the only color that means something special when you see it around a dog's neck. According to Fluffs of Luv, a few other colors are commonly used with dogs, and each shade has its very ...

Dogs can see blue, yellow, and various shades of gray. Humans can see about 1 million different colors due to the three types of cones in our eyes, with each cone detecting around 100 different ...