
Optical illusions come in all forms, from mind-melting artwork to photography trickery, but there's one style that never fails to perplex the internet – the humble colour illusion. Fooling the brain with some sneaky saturation trickery, this simple yet mesmerising illusion is doing the rounds once again, and op art fans can't believe their eyes.
Often, the best optical illusions are fairly simple – it seems the more basic the design, the harder it is for our brains to register what we're seeing. Feast your eyes on the illusion below and you'll see what I mean.