Mind-boggling optical illusion tricks your brain into thinking these faces are different colours - but they're actually identical

The illusion has gone viral across social media, and feaures two cartoon faces. So, what colour do you think the faces are?

Mind-boggling optical illusion tricks your brain into thinking these faces are different colours - but they're actually identical
The illusion has gone viral across social media, and feaures two cartoon faces. So, what colour do you think the faces are?