acf group
// LOOP
<?php if( have_rows('hero') ): ?>
<?php while( have_rows('hero') ): the_row();
// Get sub field values.
$image = get_sub_field('image');
$link = get_sub_field('link');
?>
<div id="hero">
<img src="<?php echo esc_url( $image['url'] ); ?>" alt="<?php echo esc_attr( $image['alt'] ); ?>" />
<div class="content">
<?php the_sub_field('caption'); ?>
<a href="<?php echo esc_url( $link['url'] ); ?>"><?php echo esc_attr( $link['title'] ); ?></a>
</div>
</div>
<style type="text/css">
#hero {
background-color: <?php the_sub_field('color'); ?>;
}
</style>
<?php endwhile; ?>
<?php endif; ?>