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 Black And Blue Dress Original Picture Original Blue And Black Or White And Gold Dress Illusion Ten Years Cotton Poplin Color Block Maxi Dress Red White Blue Southern Fashion Boutique Bliss Women's Keep It Straight Navy Stripe Stretch Knit Maxi Dress Size: M Red Dress Must Be Love Floral Maxi Dress Blue and White Hazel & Olive