Ten years ago, a photo of a dress posted on Tumblr sparked a massive debate: was it blue and black or white and gold? Millions argued online, and even celebrities joined in. Scientists later explained 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 Abstract Science Chemistry Print Women's Sleeveless Dress,Stylish Sundresses for Beach Vacation Everyday Wear Black at Amazon Women's Clothing store White and Gold vs. Blue and Black Dress Physics Worksheet [PDF and Easel] What color is this dress? Science of #TheDress explained! YouTube