What colors can dogs see? (No, not black and white)
Dogs have two types of color-detecting cones instead of our three, so they see the world in shades of blue, yellow and gray. Reds and greens look brownish or grayish to them — similar to a person with red-green color blindness.
How dog color vision works
Color is detected by cone cells in the retina. People usually have three types of cones (trichromatic vision). Dogs have two (dichromatic vision), tuned to blue and yellow. They also have more rods, which help them see in dim light and spot movement.
What the world looks like to a dog
| What we see | What a dog likely sees |
|---|---|
| Blue | Blue |
| Yellow | Yellow |
| Purple / violet | Blue |
| Green, orange | Yellowish or grayish |
| Red | Dark brownish gray, almost black |
What this means for your dog
- Choose blue or yellow toys for outdoor play. A red ball on green grass can be hard for a dog to pick out — though their nose usually finds it anyway.
- Use contrast for agility equipment, steps and training markers.
- Don’t judge their eyesight by color alone. Dogs see less fine detail than we do (around 20/75 vision on average), but they have a wider field of view and are excellent at detecting movement, especially at dawn and dusk.
Frequently asked questions
Are dogs colorblind?
Not completely. They see color, but a narrower range — mainly blues and yellows. They’re most like a person with red-green color blindness.
What color is easiest for dogs to see?
Blue and yellow stand out best.
Can dogs see in the dark?
Better than we can. More rods and a reflective layer behind the retina help them see in low light, though not in total darkness.
Sources
This article is general information, not veterinary advice. Every pet is different — for questions about your own pet’s health, talk to your veterinarian.
