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 The world's most famous optical illusion turns 10 years old Creative Bloq Is That Dress White and Gold or Blue and Black? The New York Times Exploring the White and Gold Dress Phenomenon It's the Dress Debate (but with Politics this time) Even So, Joy