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 Unique Purple Gold Medieval Wedding Dress ANNORA Custom Size Purple so we know the dress was black and blue BUT that's not what i'm here to discuss : r opticalillusions 10 years since THE DRESS blew up Internet. Two thirds of people saw white and gold. It's an optical illusion caused by weird lighting and an overexposed background. It Is actuallylly blue and black. #thedress Optical Illusion White Gold Dress Debate Vintage Photo With Perceived Colors Of Gold And White Or Black And