I've been thinking about "the dress" for 10 years. Here's what I've learned. 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 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 Fitted Baby Light Blue Mermaid Dress Blue And Gold Prom Dress 2020 Royal Blue Mermaid Cobalt Is This Dress Blue And Black Or White And Gold? Here's What The Experts Say