RGB Table

<?php
$row = 5;
$col = 3;
$color = 51;
for ($r = 1; $r <= $row; $r++)
{
	echo "<tr>";
	echo "<td style =\"background-color: rgb($color, 0, 0)\"></td>";
	echo "<td style =\"background-color: rgb(0, $color, 0)\"></td>";
	echo "<td style =\"background-color: rgb(0, 0, $color)\"></td>";
	echo "</tr>";
	$color += 51;
}
			?>