It's the Dress Debate (but with Politics this time) Even So, Joy I've been thinking about "the dress" for 10 years. Here's what I've learned. ZAPAKASA Women Black and Blue Satin Long Formal Dress with 3D Flowers One Shoulder Mermaid Prom Dress with Ruffles 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