Chartreuse

Chartreuse, also known as Yellow-Green, is a character from The Color Competition Series who is a competitor of season 2 known as Hue Assembly.

Trivia

 * Chartreuse was originally going to be two separate characters, but later merged into one since Chartreuse is a color between Yellow and Green.
 * According to a community post on YouTube, it was revealed that Chartreuse isn't actually armless, but rather has only a left arm.