This explains how the blue black white gold dress illusion was possible. But it doesn't explain why some people saw it one way and some saw it the other, and no one seemed to see 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 perception Optical White Black Dress Illusion Color Illusion Optical Illusion Mustard And Blue Dress Optical Yellow Blue A Line Ankle Length Soft Satin Bridesmaid Dress Bell Sleeve Pleated Semi Formal Dress COCOMELODY CG0317BM Is this dress Blue Black and blue dress, Dress, Blue dresses Blue Satin Dresses