The Kerdelle Purple Gold Illusion Sleeves Gown (Available in 2 colou WeddingConfetti 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 Purple and Green Illusion Dress Etsy ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive The White and Gold (No, Blue and Black!) Dress That Melted the Internet The New York Times