In 2015, a photograph of a dress went viral, dividing viewers over whether its colors were blue and black or white and gold. This optical illusion highlighted differences in human color ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive The 2015 Dress Illusion Explained (Why People Saw Different Colors) Nuremberg, Germany. 09th Mar, 2015. The model of a much discussed striped dress, which has become an internet sensation, is seen in the sun in front of the museum 'Turm der Sinne' ( Prom Dress Style #22321 La Femme Blue Black White Gold Dress What Color Is This Dress, Blue Black Or White Gold? Perception