Stuff

<?php
$a1 = rand(1,2);
$a2 = rand(1,2);
$a3 = rand(1,2);

if ($a1 == "1" && $a3 == "1" && $a3 == "1") {
$a1 = "#999";
$a2 = "#999";
$a3 = "#999";
}

elseif ($a1 == "2" && $a3 == "2" && $a3 == "2") {
$a1 = "#000";
$a2 = "#000";
$a3 = "#000";
}

echo '<div style="height: 30px; margin: 2px; width: 30px; background: '.$a1.'; float: left;"></div>';
echo '<div style="height: 30px; margin: 2px; width: 30px; background: '.$a2.'; float: left;"></div>';
echo '<div style="height: 30px; margin: 2px; width: 30px; background: '.$a3.'; float: left;"></div>';
?>