so we know the dress was black and blue BUT that's not what i'm here to discuss : r opticalillusions Popularity of the 'the dress black blue white gold' meme correlates with Gasoline pumped in South Sudan (r=0.846) so we know the dress was black and blue BUT that's not what i'm here to discuss : r opticalillusions What color is the dress? Why do some people see blue and black and some people see gold and white when looking at a single image of a dress? : r askscience