"We can do a comedy, an adventure, a soap opera, everything! ...Except a musical."— Green Crayon, "The Good, the Bad, and the ********"
Friendliest of the bunch. Gets along and sympathizes with the contestants, even helping them despite Yellow Crayon's directions.
As of Episode 1, it's established that Green and her fellow crayons reside inside of Crayon Box. She picks up Yellow's sharp tone and insists him to be nicer, which causes Red to start arguing with her.
As of Episode 1, none of the contestants know what her purpose is. However, she seems generally respectful towards them.
Green Crayon is a deep green (with a hint of blue), rectangular crayon, with the tip appearing to be completely scraped off.
Episode 1 - "Who the hell recommended Glowing Heart"
Green Crayon is seen being the second crayon to pop out of Crayon Box, and responds to Yellow to tone down his voice, resulting in Red responding to Green's statement. Crayon Box then closes her lid on Green Crayon and the other crayons after they start arguing.
Green Crayon then attempts to pop out again out of Crayon Box, but before Green does anything Crayon Box shuts the lid on her again.
Episode 2 - "Your Opinion is Invalid"
During the beginning of the episode, she tells Red Crayon that her and Yellow Crayon are almost done recovering Graffiti. Later on, Crayon Box uses her and Yellow Crayon to demonstrate the stacking challenge.