White and gold or blue and black? What colour is the dress? London Evening Standard The Standard The white and gold dress, and the illusion of free will Felipe Contreras Is it white and gold or blue and black? The truth behind the dress debate. CooperVision ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive Ten years ago, a photo of a dress posted on Tumblr sparked a massive debate: was it blue and black or white and gold? Millions argued online, and even celebrities joined in. Optical illusion renews blue and black dress debate nine years on Express.co.uk