<?php function getcolor($img, $red, $green, $blue) { $color = imagecolorexact($img, $red, $green, $blue); if($color == -1) { $color = imagecolorallocate($img, $red, $green, $blue); if($color == -1) { $color = imagecolorclosest($img, $red, $green, $blue); } } return $color; } ?>