15 Shoes to Wear With a Navy Dress That Won't Have You Feeling Blue Isabelle Navy Red Poppy Float Sleeve Maxi Dress Scarlett & Jo Blue And Red Dresses In Floral & Abstract Prints REVOLVE 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 perception Here's why people saw the dress differently.