You can print the values of the array like this:
$colors = get_post_meta($post->ID, $prefix . 'colors', true);
foreach($colors as $color){
echo $color;
}
You can print the values of the array like this:
$colors = get_post_meta($post->ID, $prefix . 'colors', true);
foreach($colors as $color){
echo $color;
}