ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive 10 years ago today, this dress was posted online, turning into a viral phenomenon. Viewers couldn't decide if the dress was blue and black, or white and gold. It was later confirmed How "The Dress" Became an Illusion Unlike Any Other Scientific American I See White and Gold, but the Dress Taught Me How We Shape Our Own Reality by Shaant A Culturated Medium