The dress was black and blue, but the conditions of the photograph caused many to perceive it as white and gold, creating debate. Within a week, more than ten million tweets had Viral The Blue Black Dress Illusion The Science Behind The Dress The New York Times Women's Shadi Mini Dress in Black, L Black 10 years ago, this dress was posted on social media causing a viral debate on whether it was blue and black or white and gold. The phenomenon revealed differences in human color Here Is Proof That #TheDress is Black and Blue