Happy 10th anniversary to the original photograph of "The Dress" and the subsequent internet debate over white and gold or black and blue : r popculturechat Is the dress blue black or white gold? Body Worlds Amsterdam 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. Scientists later explained 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 The science behind #thedress