The return of the Black Blue dress illusion and more 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 Is That Dress White and Gold or Blue and Black? (Published 2015) So assuming everyone sees the first image as a gold color, I'm just curious at what point it switches to looking black and blue : r opticalillusions Eleven years ago, a single photo posted on Tumblr sparked one of the biggest internet debates of all time. The dress instantly divided the world, some swore it was white and gold, Is This Dress Blue And Black Or White And Gold? News9.com