The truth about dogs and their ability to see colors is that they do have some degree of color vision, but it is different from the way humans perceive colors.
Dogs are not completely colorblind, as was once believed, but their vision is not as vibrant or diverse as human vision.
The human eye has three types of color receptors, or cones, which are sensitive to different wavelengths of light and enable us to see a wide range of colors.
Dogs, on the other hand, have only two types of cones, which means they have dichromatic vision. This limits their color perception primarily to shades of blue and yellow.
Research suggests that dogs’ color vision is similar to that of a red-green colorblind human.
They can see blue and yellow colors quite well, but they have difficulty distinguishing between red and green.
The colors they see in the red and green spectrum would likely appear as various shades of gray or brown to them.
In summary, dogs do have some ability to see colors, but their range is more limited compared to humans.
They primarily see in shades of blue and yellow, and their perception of the red and green spectrum is limited.
Their vision is more focused on motion and contrast, which is why they may be better at detecting movement in low light conditions.