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 Black Gold Sequin Illusion Neckline Mermaid Prom Dress Black Dress With Gold Applique Mermaid Dress Black Dress With Gold Applique Long Sleeve Couture The Science Behind the Black and Blue (or White and Gold) Dress Black Sequin Mermaid Dress, African Evening Gown Etsy Color scientists explain the dress that went viral RIT