Understanding the Black and Blue Dress Illusion 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 Understanding the Blue and Black Dress Illusion Ieena for Mac Duggal Black Belted Floral Print Illusion Long Sleeve Gown Black Multi US 10 Blue Illusion Mix Media Dress in Black MYER The return of the Black Blue dress illusion and more YouTube