ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive so we know the dress was black and blue BUT that's not what i'm here to discuss : r opticalillusions Royal Blue and Gold Tuxedo Jacket Gentleman's Guru Internet debates that blue dress (it is blue, right?) The Seattle Times What the Blue Black White Gold Dress Tells Us About How We View Color Jerry's Artarama Neuroscientists Explain Discrepancy Behind "The Dress" Illusion