Why nobody could agree on the color of that dress on X White and gold or blue and black? What colour is the dress? London Evening Standard The Standard Optical illusion renews blue and black dress debate nine years on Express.co.uk The Dress Debate: Science Explains Why Some See Blue And Black And Others White And Gold Neuroscientists Explain Discrepancy Behind "The Dress" Illusion Eleven years ago, a single photo posted on Tumblr sparked one of the biggest internet debates of all time. The dress instantly divided the world, some swore it was white and gold,