<?php
// vars
$colors = get_field('chekbox');
// check
if( $colors ): ?>
<ul>
<?php foreach( $colors as $color ): ?>
<li><span class="color-<?php echo $color['value']; ?>"><?php echo $color['label']; ?></span></li>
<?php endforeach; ?>
</ul>
<?php endif; ?>
