Dichromatic vision
Dogs have a limited color range and tend to distinguish blue-yellow contrasts better than red-green differences.
Dog Vision Simulator
Perspective Shift
Reconstruct the world through a dog's color spectrum (Dichromacy).
Dogs do not see color the same way humans do
Dogs rely more on blue and yellow differences and do not separate red and green the way many humans do. This simulator simplifies a photo's colors to make dog vision easier to understand, while processing the image in your browser during normal use.
How to read the simulation
Brightness matters
Color is only one cue. Contrast, brightness, movement, and experience also affect recognition.
Local processing
Uploaded photos are transformed on your device and are not meant to be stored on a server.
How to use
- Choose a photo you want to compare.
- Review the simulated view next to the original colors.
- Look at toys, treats, and backgrounds to see which contrasts remain visible.
Frequently asked questions
Do dogs see only in black and white?
No. Dogs do see color, but within a more limited range than humans, especially around blue and yellow.
Is the simulation exact?
No. It is an educational approximation of color perception, not a full model of canine vision or behavior.
Is the photo stored?
No. In the normal workflow, the browser transforms the image locally.
This simulator is an educational approximation. For concerns about a pet's vision or behavior, consult a veterinarian.