set-face-background

set-face-background is an interactive compiled Lisp function in `faces.el'.


(set-face-background FACE COLOR &optional FRAME)

Change the background color of face FACE to COLOR (a string).
FRAME nil or not specified means change face on all frames.
COLOR can be a system-defined color name (see `list-colors-display')
or a hex spec of the form #RRGGBB.
When called interactively, prompts for the face and color.