Color
This property allows you to set or retrieve the color of the Combo-Box control. Foreground and background color values are combined and therefore RGB colors are not supported. See "Color management" for further details.
 
Example - Define a combo-box in screen section with grey background and light grey foreground all in the color property
screen section.
...
03 screen-1-co-1 Combo-Box
   line 19.4
   column 23.2
   size 11.9 cells 
   lines 11.1
   color 265
   id 13
   3-d
   drop-down
   .