I've been thinking about "the dress" for 10 years. Here's what I've learned. Here Is Proof That #TheDress is Black and Blue 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 Why Did We See The Dress Differently? The Answer Lies in the Shadows, Neuroscience Research Finds The Blue Black or White Gold Dress and Questioning Reality Psychology Today