#!/usr/bin/env perl

use strict;
use warnings;

use Excel::Writer::XLSX;

my $workbook = Excel::Writer::XLSX->new( 'test.xlsx' );
my $red = $workbook->add_format( color => 'red' );

print "\$red is a: ", ref($red), "\n";
print "\$red stringifies to: ", $red, "\n";
exit;