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 Gold and white or blue and black?' optical illusion dress from 2015 found at yard sale 9Honey Black and Blue Dress Explained What Is True Color TikTok 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 Navy Yasmin Gown Elegant Formal Evening Wear Lady Black Tie I've been thinking about "the dress" for 10 years. Here's what I've learned.