The dress' went viral 10 years ago and taught us the science of color What colour is this dress? Tumblr photo could actually break the internet Tailored Shirt Blue Hairline w White Collar and Cuffs Women's Blouse Monogram Blue Custom 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 Stenstrms Fitted Body Kent Collar Shirt Light Blue at CareOfCarl.com so we know the dress was black and blue BUT that's not what i'm here to discuss : r opticalillusions