Set the default part color index. Without specifying this option the default part color index is 0. The minimum color index is 0, the maximum color index depends on your graphics hardware (but is often 255).
/dpc 3
Set the default part color index to 3.
This option uses color indices and not color values.
The resulting colors depend on the colors setting of the
desktop environment.
The option has currently no effect to the PostScript output.