Valentina Halterneck Long Silk Dress in Black and Gold Floral Toile, 4 This Might Explain Why That Dress Looks Blue And Black, And White And Gold 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 Optical illusion: Dress colour debate goes global BBC News NICHOLAS Belted floral print linen blend midi dress THE OUTNET