XmChangeColor — Recalculates all associated colors of a

     #include <Xm/Xm.h>
void XmChangeColor(
Widget widget,
Pixel background);

     XmChangeColor handles all color modifications for the
specified widget when a new background pixel value is
specified.  This function recalculates the foreground,
select, and shadow colors based on the new background color
and sets the corresponding resources for the widget. If a
color calculation procedure has been set by a call to
XmSetColorCalculation, XmChangeColor uses that procedure to
calculate the new colors. Otherwise, the routine uses a
default procedure.

widget    Specifies the widget ID whose colors will be

          Specifies the background color pixel value

     XmGetColorCalculation(3), XmGetColors(3), and