+(defvar mdw-frame-colour-alist
+ '((black . ("#000000" . "#ffffff"))
+ (red . ("#2a0000" . "#ffffff"))
+ (green . ("#002a00" . "#ffffff"))
+ (blue . ("#00002a" . "#ffffff")))
+ "*Alist mapping symbol names to (FOREGROUND . BACKGROUND) colour pairs.")
+
+(defun mdw-set-frame-colour (colour &optional frame)
+ (interactive "xColour name or (FOREGROUND . BACKGROUND) pair:
+")
+ (when (and colour (symbolp colour))
+ (let ((entry (assq colour mdw-frame-colour-alist)))
+ (unless entry (error "Unknown colour `%s'" colour))
+ (setf colour (cdr entry))))
+ (set-frame-parameter frame 'background-color (car colour))
+ (set-frame-parameter frame 'foreground-color (cdr colour)))
+