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 White and gold dress: Here's the science behind why some people see blue The Mirror Black and blue, or white and gold? 'The dress' turns 10 years old White and Gold or Blue and Black Dress Explained & Busted White and gold or blue and black? What colour is the dress? London Evening Standard The Standard Black & blue or gold & white? Mystery of the dress solved The Economic Times