Fill-Color
This property sets the color to be used to fill the frame area. See "Color management" for further details.
 
Example - Define a frame control with a white fill color
screen section.
...
  03 screen-1-fr-1 Frame
     line 17.7
     column 20.0
     size 24.3 cells 
     lines 27.8 cells 
     id 16
     fill-color 16
     .