Variable: pong-ball-color
pong-ball-color is a customizable variable defined in pong.el.gz.
Value
"red"
Documentation
Color used for the ball.
Source Code
;; Defined in /usr/src/emacs/lisp/play/pong.el.gz
(defcustom pong-ball-color "red"
"Color used for the ball."
:type 'color)