DOG owners should think carefully before buying their pups a red ball, an animal expert has warned.

Instead, they should reportedly opt for blue or yellow toys to ensure their pets actually want to play with them.

It's all down to seeing things through your pooch's eyes, according to experts at PetLabCo.

In a video posted on TikTok, the supplement brand said: "Number one mistake, buying the wrong colour dog toys.

"Dogs don't see colours in the same way that we do.

"Red and green colours appear greyish to them, however, they can see blue and yellow tones."

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According to Purina, dogs see colours similarly to humans – but the intensity differs.

While most of us get the full spectrum, a hound's world is made up of shades of blue, yellow and grey – with red, green and orange largely missing.

"This is why yellow and blue toys make the biggest impression on your dog, while red balls can be left completely forgotten in the grass," the website adds.

It's because humans have blue, red and green cones, a type of photoreceptor cell in the retina, and dogs have only two – a blue one and another that falls somewhere between red and green.

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This limited colour perception is known as dichromatic vision.

However, canine vision is superior to ours in other ways.

For example, they are much better at detecting motion and can see more clearly in low light, PetMD says.

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