Optical illusion renews blue and black dress debate nine years on Express.co.uk I've never understood the white gold side of the dress illusion but after modifying someone else's picture to make this one I can (kind of) see it. : r opticalillusions 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 Dress White Gold Illusion Viral Photo Color scientists explain the dress that went viral RIT