Viral optical illusion reignites blue and black or white and gold dress debate The Mirror US Black Blue Yellow White Dress Black The Blue And White Dress Illusion Illusion Yellow Blue Women's Nine West Mock Neck Knit Dress Gold Blue And Black Yellow And White Dress Black And Blue, Or White And Gold? 'The Levi's Kaia Knit Mini Dress Women's Black L Remember when the internet went absolutely nuts on the colour of a dress? The dress was blue and black. The original viral poster, Caitlin McNeill, later said it was a black and blue dress