Science explains how time spent outdoors colors your view of #thedress Los Angeles Times Color Illusion Dress Black And White Perception Black Gold Dress Illusion The Dress": Why People See It's been 10 years since this dress was posted. People debated which colours it was, and it was later confirmed to be black and blue. The dress was a viral online phenomenon in 2015, centered on a photograph of a dress that people disagreed on whether it was blue and black or white and gold. Within a White and gold? Or blue and black? Dress sets the Internet ablaze with color debate