Colette By Daphne CL5105 Long Novelty Glitter Mermaid Dress Spaghetti Straps, Illusion Inset, Lace Up Back, Beaded, Sweep Train ADASA Remember "The Dress Illusion"? The dress was a viral phenomenon on the Internet in 2015. Viewers of the image disagreed on whether the dress depicted in a photograph was coloured black and blue, Blue and gold dress illusion hi res stock photography and images Alamy The Dress puzzlewocky ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive