sub print_debug {
    use Term::ANSIColor qw(:constants);
    my ($text, @colors) = @_;
    print STDERR @colors, $text, RESET;
}

use Term::ANSIColor qw(:constants);
print_debug ("foo", BLUE ON_WHITE);

##</code><code>##

sub print_debug {
    my ($text, $color) = @_;
    use Term::ANSIColor;
    print STDERR colored([$color], $text), "\n";
}

print_debug "bar", "yellow on_magenta";