รบกวนขอคำแนะนำในการวนลูปใส่สี style=blackground:color ตามสีที่กำหนดครับผม

<ul class="slides">
	<?  
	#28764b
	#000
	#7660a7
	#2d7cff
	#28764b
	#7660a7
	#28764b
	#2d7cff
	$no=1;
	$n=1;  
    $sql_news="select * from  messages where id_board=9 order by id_topic asc limit 10";
	$result_news61=mysql_db_query($dbname,$sql_news);
	$num_news61=mysql_num_rows($result_news61);
	if ($num_news61>0) {
	while($news61=mysql_fetch_array($result_news61)) 
		{
			$topics61[] = array(
			'id' => $news61['id_topic'],
			'idboard' => $news61['id_board'],
			'body' => $news61['body'],
			'subject' => $news61['subject'],
			);
			
		}
		$smcFunc['db_free_result']($result_news61);
	   foreach ($topics61 as $data61){
		$topic61 = "content.php?id_topic=".$data61['id'].'&'.'boardxx='.$data61['idboard'];
		$bodytd61 = $data61['body'];
		$subject61 = $data61['subject'];
	?>
			
			    <li>
	     		 <div class="carousel-thumb ct-preload">		      
							  <a href="index-38.htm" >
								  <img src="xxxx267x188.jpg"  alt=" " />
							  </a>
								 <span class="category" style="background-color:<? echo ใส่สี?>">
									   <a href=" "  title=" "><?=$subject61?></a>
								 <span class="arrow-down" style="border-top-color:<? echo ใส่สี?>"></span>
								</span>
			
							<div class="title-mask">
			  				<span class="ico-plus"></span>
			  					  ต้องเทสครับ	
			  				</div>			
		 		 </div>
		     </li>

        <? 
		$no++;
		$n++;
		 }
		 } 
		 ?>
</ul>