The Dress of viral internet fame. Actual colour black and blue on the Download Scientific Diagram This explains how the blue black white gold dress illusion was possible. But it doesn't explain why some people saw it one way and some saw it the other, and no one seemed to see The dress' went viral 10 years ago and taught us the science of color 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