How does a black and blue dress sometimes appear white and gold? The Brains Blog Colors of debate Always Overdone In 2015, a photograph of a dress went viral, dividing viewers over whether its colors were blue and black or white and gold. This optical illusion highlighted differences in human color The whole internet is arguing about the colour of this 'white and gold' dress (or is it blue and black?) The Mirror Women behind dress that broke the internet speak out almost a decade later