The colors are hardcoded. See /unidata/programs/gpfront/read_front.c,
following line 357 (or thereabouts).
Quoting Greg <wxguy@xxxxxxxxxxxx>:
Anyone know how to change the colors of the front symbols using
gpfront? I can't find a color table for this...thanks.
Clinton M. Rowe
Meteorology/Climatology Program phone:(402)472-1946
Department of Geosciences fax:(402)472-4917
University of Nebraska-Lincoln crowe1@xxxxxxx