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 Is This Dress Blue And Black Or White And Gold? Here's What The Experts Say Cobalt Blue Silk Velvet and Gold Lace Evening Gown, Maison Worth, French, c. 1910 : r fashionhistory