There have been numerous studies on colors and humans. But what
about colors and their effects on dogs? According to an article
from Pet Centric, colors may affect your dog too. The first step
in answering that question is to know what colors dogs see. Dogs
do see colors, but the colors they see aren’t as vivid or as
many as we see. Most experts agree that while they can’t see
reds and greens, dogs do see most other colors — including
blacks, whites, grays, yellows and blues. That means a toy that
looks red or green to you doesn’t look the same to your dog, it
probably looks dark gray. How do we know dogs see colors? The
dog’s eye — and the human eye — have special light catching
cells called cones. But since your dog has fewer cones than you,
his color vision won’t be as intense as yours. In a study at the
University of California — Santa Barbara, dogs were shown three
light panels in a row. Two of the panels were the same color
while the third was different. If the dog could identify the one
that was differ