...
my $headline_text = $page->text;
$headline_text->font( $font{'Helvetica'}{'Bold'}, 18 / pt );
$headline_text->fillcolor('green');
$headline_text->strokecolor('red');
$headline_text->linewidth(0.2 / mm);
$headline_text->render(2);                      # <--
$headline_text->translate( 95 / mm, 15 / mm );
$headline_text->text_right('My Headline');
...