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 The Science Behind the Black and Blue (or White and Gold) Dress Dusty Blue Bridesmaid Dresses JJ's House Blue Bridesmaid Dresses Designed In House Selfie Leslie The Dress: A Black and Blue Debate Over the Color of a Dress Stirs Social Media WSJ 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