so we know the dress was black and blue BUT that's not what i'm here to discuss : r opticalillusions 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. Scientists later explained What color is the dress? School of Social Sciences Woman Discovers 'The Dress' At Yard Sale, Reignites Blue and Black Vs White And Gold Debate Viral News News18 Blue and Gold Wedding Colour Palette