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 The Dress Debate: Science Explains Why Some See Blue And Black And Others White And Gold Women behind dress that broke the internet speak out almost a decade later Light Blue Beaded Dress 37649 Jovani Prom Dress Style #32928 La Femme Here's why people saw the dress differently.