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 Zara Sequin Halter Dress by Zara Pickle Maxi Dress Zara Multicolored Sequin Dress Zara Sequin Dress Zara pink sequin dress. Size Xs. Great condition Depop Zara Pink Sequin Sequinned Halter Neck Mini Dress 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