My localhost

$vhosts = array_map('basename', glob('/var/www/vhosts/[a-z]*'));

foreach($vhosts as $vhost) {
  mt_srand(crc32($vhost));
  $hue = mt_rand(0, 359);
  $css = "style=\"background: hsl($hue, 80%, 80%)\"";
  echo "<li><a href=\"http://$vhost\" $css>$vhost</a></li>\n";
}