$fgd= (($server['s']['players']) * 100 )/($server['s']['playersmax']);
nin altına ekle
if($fgd>80)$r="red";
elseif($fgd>45)$r="orange";
else $r="green";
sonra
<table cellpadding='0' cellspacing='0' style='width:100px; font-size:10px; background-color:#fff; border-width:1px; border-style:solid; border-color:red' height='10'><td width=$fgd bgcolor=red> </td><td bgcolor=white width=*></td></tr></table>
bunu altaki ile değiştir
<table cellpadding='0' cellspacing='0' style='width:100px; font-size:10px; background-color:#fff; border-width:1px; border-style:solid; border-color:red' height='10'><td width=$fgd bgcolor=$r> </td><td bgcolor=white width=*></td></tr></table>