So I searched up the black and blue dress : r opticalillusions In 2015, a photograph of a dress went viral, dividing viewers over whether its colors were blue and black or white and gold. This optical illusion highlighted differences in human color perception 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 Formal Dresses Plus Size Websites Like Fashion Nova Fashion Nova Plus Size Midsize Black Formal Dress The Science Behind the Dress Illusion Eyepic Eye Care Discover Plus Black Tie Events Fashion Nova