ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive Why the dress is blue (but white to you) The dress was black and blue, but the conditions of the photograph caused many to perceive it as white and gold, creating debate. Within a week, more than ten million tweets had Backless Gold Sequin V neck Mermaid Long Prom Dress Promfy Charming Mermaid V Neck Gold Satin Long Prom Dress AB120203 Anniebride