Here's why people saw the dress differently. The dress' went viral 10 years ago and taught us the science of color The White and Gold (No, Blue and Black!) Dress That Melted the Internet The New York Times Viral online dress debate turns 10. What colours do you see? 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 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