pscolour supports longer rgb strings

diff --git a/generate-board b/generate-board
index 7f1037b2dd6a4b5f637d69c7ec0fb4125ac99478..e7e4e68e3baf0a9a89bea1420c9071b49cc407dc 100755 (executable)
--- a/generate-board
+++ b/generate-board
@@ -391,7 +391,10 @@ END
 sub pscolour ($;$) {
   my ($spec, $adj1) = @_;
   confess unless defined $spec;
-  my @rgb = map { hex($_) / 15.0 } split //, $spec;
+  my $le = (length $spec)/3;
+  my $re = ("(.{$le})") x 3;
+  my @rgb = $spec =~ m/^$re$/;  @rgb or confess "$re ?";
+  @rgb = map { hex($_) / (16**$le -1) } @rgb;
   $adj1 //= sub { };
   $adj1->(@rgb);
   my $r = join ' ',