Pet brand colour checker
Check your brand or packaging colours the way pets see them. Enter up to six colours, pick an animal, and see which pairs it can tell apart. Red on green often turns into one khaki for a dog; blue on yellow stays clear. Print the result as a report.
Your palette
1 of 6 pairs look alike to a dog but not to people: #D7261E and #2E8B3A.
| Colour | #D7261E | #2E8B3A | #1F4FD8 | #F5D90A |
|---|---|---|---|---|
| #D7261E as a dog sees it | - | Look alike (people see a difference) | Easy to tell apart | Easy to tell apart |
| #2E8B3A as a dog sees it | Look alike (people see a difference) | - | Easy to tell apart | Easy to tell apart |
| #1F4FD8 as a dog sees it | Easy to tell apart | Easy to tell apart | - | Easy to tell apart |
| #F5D90A as a dog sees it | Easy to tell apart | Easy to tell apart | Easy to tell apart | - |
How it works: each colour is passed through the animal's colour matrix from published eye studies, the same maths as the full photo tool. Two colours "look alike" when the difference between them, as the animal sees them, is under 30 on the CIE76 colour-difference scale. Brightness differences still help animals, so test real packaging with real pets too.
A simulation made from published eye studies. Not what the animal feels. Your colours never leave your device.
Which colours can dogs tell apart?
Dogs see mostly blues and yellows. Red, orange and green can merge into similar khaki shades, so pairs like red on green lose their contrast, while blue on yellow stays clear.
Is this a guarantee that a pet will notice my product?
No. It shows colour differences from published eye studies. Pets also use brightness, smell and movement, so treat the result as a design check, not a promise.
Do you keep my colours?
No. The check runs in your browser. Nothing is sent or stored.