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 Grand White Kaftan Gown with Gold Stone and Zari Work Luxury Event Wear MS CREATION 4343583 Chic Styles and Comfort in white dress to work for Trendy Women How does a black and blue dress sometimes appear white and gold? The Brains Blog