PHP/Graphics Image/imagepng
Include color information
<?php
$image = imagecreate(400,300);
$gold = imagecolorallocate($image, 255, 240, 00);
imagepng($image);
imagedestroy($image);
?>
Working with PNGs
<?php
$animage = imagecreate (200, 200);
$red = imagecolorallocate ($animage, 255, 0, 0);
imagerectangle ($animage, 0, 0, 200, 200, $red);
$black = imagecolorallocate ($animage, 0, 0, 0);
imagefilledellipse($animage, 100, 100, 150, 150, $black);
$white = imagecolorallocate ($animage, 255, 255, 255);
imagestring($animage, 5, 48, 95, "Hello World!", $white);
imagepng ($animage);
header ("Content-type: image/png");
imagedestroy ($animage);
?>