The Science Behind the Dress Illusion Eyepic Eye Care First brain scan study to feature THAT dress BPS Black and Blue Dress Illusion The dress' went viral 10 years ago and taught us the science of color Ten years ago, a photo of a dress posted on Tumblr sparked a massive debate: was it blue and black or white and gold? Millions argued online, and even celebrities joined in. The actual dress was black and blue. The confusion came from how lighting and color perception tricked people's brains, making some see it as white and gold. It became a viral example of how human vision can interpret colors differently under certain