use strict;

open RGB,'<','c:/cygwin/usr/X11R6/lib/X11/rgb.txt' or die $!;
while (my $line = <RGB>) {
  next if $line =~ m/^\s*$/;
  next if $line =~ m/^(?:!|#)/;
  my ($r,$g,$b,$name) = $line =~ m/(\d+)\s+(\d+)\s+(\d+)\s+(.*)/;
  printf "#%02X%02X%02X\t%s\n",$r,$g,$b,$name;
}
close RGB;