> In the 1939 film The Wizard of Oz, what color were Dorothy's socks as she worethe ruby slippers?And the answer: blue. Photo courtesy: MGM/KOBAL/SHUTTERSTOCK/REX.Starring Judy Garland, The Wizard of Oz starts out in sepia-toned black andwhite, but changes to color about 20 minutes into the film. During much of theTechnicolor part of the movie, Dorothy wears a blue and white dress and red rubyslippers. Her socks were blue, the same color as her dress.The Wizard of Oz began as a children's novel written by L. Frank Baum. It wasnamed after a library shelf titled "O to Z," and was highly influenced by LewisCarrol's 1895 novel Alice in Wonderland. Since its debut, The Wizard of Oz hasbeen a staple of American film and literary culture. The 1939 film adaptation was revolutionary in a number of ways. While it wasn'tthe first film made using the complex new three-strip cameras, it is perhaps themost memorable: the storyline itself is infused with color. From the yellowbrick road to the Emerald City to ruby slippers, technicolor made each pop onscreen.Today, memorabilia associated with the legendary film is worth millions. At a2015 auction, Dorothy's classic blue pinafore, a modest garment that's sincebeen immortalized, sold for $1.56 million. Her shoes, meanwhile, pricelesslyremain at the Smithsonian's National Museum of American History after ayear-long investigation into how conservators could stop the sequins from losingtheir sparkle. Check out a scene from the film below.