Black & Royal Blue Two piece Two tone Formal Gown Xdressy The Truth About the Dress: Black and Blue Explained The viral "black and blue" dress, which sparked a massive 2015 internet debate, was originally posted on Tumblr by Scottish singer Caitlin McNeill. The photo, depicting a Roman Originals dress, divided viewers Blue and Black Dress or Gold and White Explained 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