Mind-boggling optical illusion shows you a shade of blue you’ve NEVER seen before

A MIND-boggling optical illusion is baffling the web as it shows you a shade of blue that you’ve never seen before.

The illusion works by using a large red circle and a small white dot to trick your mind into thinking it is seeing a shade of cyan it doesn’t recognise.

In order to see the colour you need to stare at the white dot in the centre of the circle for 30 seconds.

You should then tightly shut your eyes and then when you open them you should see a glowing orb of “true cyan.”

But how does it work exactly?

According to the Mail Online, “The 'true cyan' illusion works by effectively overwhelming the nerve cells in your eye responsible for decoding the colour red.

“When you open your eyes the nerve cells not overwhelmed kick in and show you an 'afterimage', which is effectively the reverse of the image you stared at for the past two minutes – in this case, the colour red appears cyan.” 

The shade is one that cannot be reproduced on TVs, phones or computer monitors. 

Most screens use a variety of blue and red pixels to create the shades of colour that we see.

Speaking to IFLScience, ophthalmologist Ajay Kuriyan, explained: "If you stare at a colour for some time, the cone cells responding to that colour become refractory for a short period of time so the other colour cone cells become stimulated.

"This is the principle that drives the afterimage."

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