Watch full The Hero of Color City online full HD. Cartoon movies The Hero of Color City online for free in HD. Every night when Ben goes to bed, his crayons come to life and set out to Color City. Yellow, a timid crayon afraid of everything, accidentally summons two unfinished drawings known as King Scrawl and his sidekick Gnat. The crayons are forced to act quickly in order to save their town before their colors fade.