Sheer Corset Mini Prom Dress with Long Glitter Overlay Orange 8 The dress was a 2015 online viral phenomenon centred on a photograph of a dress. Viewers disagreed on whether the dress was blue and black, or white and gold : r wikipedia Our Slit Front Transparent Glitter Dress is such a vibe ROMWE In 2015, a photograph of a dress went viral, dividing viewers over whether its colors were blue and black or white and gold. This optical illusion highlighted differences in human color perception so we know the dress was black and blue BUT that's not what i'm here to discuss : r opticalillusions