Disney’s first feature-length color animated movie, “Snow White and the Seven Dwarfs,” opened in Technicolor in 1937, and the company came full circle when Technicolor’s flagship visual effects company MPC was called upon to create effects on Disney’s upcoming live-action adaptation of the classic. But the timing now marks the sad end of Technicolor, which was founded in 1915 and went on to become one of Hollywood’s most recognizable brands, working on classic films such as “The Wizard of Oz” and “Gone with the Wind.”