The Internet Melts Down Over The REAL Colour Of These Flip Flops

Are these flip flops black and blue? Or do you see a totally different flip flop colour? This latest optical illusion has everyone talking...

Black and blue flip flops

You can probably remember "the dress" - the two-toned garment that caused a storm after someone posted a picture online and the world went wild.

Well now a new challenge has come to haunt us!  

Read more: A Year After The Dress, No-One Can Tell What Colour This Jacket Is!

After @positivedemi posed a snap of some Havaiana flip flops on her Twitter, the argument over what two colours the shoes are has blown up:

Some people seems to think the sandals are blue and black, some believe they're white and gold, whilst some feel they are black and brown. 

The picture has taken off and gone viral, with everyone getting involved in the debate!