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 Black And Blue Dress Original Picture Original Blue And Black Or White And Gold Dress Illusion Ten Years Catherine navy stripe knit mini dress Glamify Famous For Loungewear The dress 10 years later: Is viral dress black and blue or white and gold? kgw.com Woman discovers the iconic 'Optical Illusion Dress' that went viral in 2015 at yard sale Times of India Color of the Blue and Black Dress Science Business Insider