<?php
add_filter( 'body_class', 'wpse_20160118__body_class' );
function wpse_20160118__body_class( $classes ) {
if ( $package_color = get_field( 'package_color', get_queried_object_id() ) ) {
$package_color = esc_attr( trim( $package_color ) );
$classes[] = $package_color;
}
return $classes;
}
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