Heading-Background-Color
This property allows you to set or retrieve the background color of both column and row headings. See "Color management" for further details.
 
Example - Define a grid with heading background and foreground color
screen section.
...
  03 screen-1-gr-1 Grid
     line 5.7
     column 3.1
     size 34.6 cells 
     lines 15.5 cells 
     id 1
     event procedure screen-1-gr-1-evt-proc
     no-box
     column-headings
     row-dividers 1
     end-color 9
     heading-background-color 3
     heading-foreground-color 7
     heading-font Default-Font
     cursor-frame-width 3
     num-rows 5
     .
...