2 Elements:
Color is being used in cooperation with Line to make colors "pop" more. Along with this, it provides and organized, yet visually appealing aesthetic to the art piece.
Color in particular, is what separates the work into sections that draw the viewer's eyes in, due to the contrast choices by the artist.
While Line, physically separates the colors, but provides the attractive composition.
(I would answer principles too, but I don't have the time currently;; Hopefully this helps though.)
it's not my preferred art style choice but it's still pretty good, better than me Imao
Scout gets in trouble because when Walter asks for molasses and puts it all over his food, she calls him out for it in a rather rude way