What Color Is #TheDress?
On February 26, 2015, a single photograph of a dress ignited the most viral debate in internet history. Was it blue and black, or white and gold?
The Viral Explosion
Tumblr user “swiked” posted the image asking friends to help settle a disagreement. Within 48 hours, the post had been viewed over 28 million times. Celebrities, scientists, and news organizations worldwide weighed in.
BuzzFeed’s article “What Colors Are This Dress?” became one of the most-trafficked posts in the site’s history, generating over 37 million page views in the first 24 hours.
The Science
The dress phenomenon revealed fascinating truths about human color perception. Neuroscientists explained that individuals make unconscious assumptions about lighting conditions—those who assumed warm lighting saw white/gold, while those who assumed cool lighting saw blue/black.
The actual dress, sold by UK retailer Roman Originals, was confirmed to be blue and black.
Cultural Impact
#TheDress became the ultimate internet litmus test—revealing how fundamentally different people’s perceptions could be while looking at identical information. It spawned countless parodies, scientific studies, and became shorthand for irresolvable online debates.
The meme transcended the internet, appearing in academic papers on perception, vision science, and even philosophy of mind.
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