Dogs see the world in colors, but not the way you think they do.

People have argued forever about whether dogs see the world like an old black-and-white movie or like a rainbow just slightly muted. The truth is more complicated and way more interesting. Scientists have been studying how canine eyes pick up color for decades, and what they found will probably make you look at your dog’s favorite toy differently. Turns out, dogs do see colors, but the palette is limited and very unique to their vision.