This Might Explain Why That Dress Looks Blue And Black, And White And Gold 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 What I never understood was if some folk saw the original dress as white gold & some saw it as black blue then how do side by side images like this exist showing them as two Viral Dress Debate: Blue Black vs. White Gold? Vintage 1930s Royal Blue Velvet Dress: Antique Cocktail Attire The white and gold dress, and the illusion of free will Felipe Contreras