The BACKGROUND-COLOR clause specifies the background color for the
  screen item.

  Format -

   BACKGROUND-COLOR color-num

1  –  color-num

  is an integer in the range 0-7 specifying a color as follows:
     --------------------------------------------------------------
     COLOR           COLOR VALUE        COLOR           COLOR VALUE
     --------------------------------------------------------------
     Black                0             Red                  4
     Blue                 1             Magenta              5
     Green                2             Yellow/Brown         6
     Cyan                 3             White                7
     --------------------------------------------------------------