The dress that divided the internet IS blue and black Daily Mail Online Plus Size Dresses Mini, Midi & Maxi You & All 10 years ago, this dress was posted on social media causing a viral debate on whether it was blue and black or white and gold. The phenomenon revealed differences in human color The dress' went viral 10 years ago and taught us the science of color The actual dress was black and blue. The confusion came from how lighting and color perception tricked people's brains, making some see it as white and gold. It became a viral example