<?php
$color = types_render_field("banner-color", array("output" => "raw"));
?>
<article id="post-<?php the_ID(); ?>" <?php post_class("banner_section"); ?> style="background-color: <?php echo $color;?>">
    <header class="header">
        <h2 class="entry-title"><?php the_title(); ?></h2>
    </header>
    <div class="author"><?php the_content();?></div>
    <div class="clear"></div>
</article>