The dress was a 2015 online viral phenomenon centred on a photograph of a dress. Viewers disagreed on whether the dress was blue and black, or white and gold : r wikipedia ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive The dress was black and blue, but the conditions of the photograph caused many to perceive it as white and gold, creating debate. Within a week, more than ten million tweets had Man Behind Viral Dress Debate Pleads Guilty to Attacking His Wife Happy 10th anniversary to the original photograph of "The Dress" and the subsequent internet debate over white and gold or black and blue : r popculturechat Color The Dress How To See White And Gold Optical Illusion Explained Blue And Black White And Gold Dress Illusion The Dress Is Blue Black!