Dieses PHP-Script rechnet RGB-Werte (0-255) in einen Hex-Wert (#RRGGBB) um.
<?php
/*
This Software returns hex color by given rgb.
Copyright (C) 2020 Guido Richter / tintenkobold.de
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License [http://www.gnu.org/licenses/] for more details.
*/
function rgb2hex($r,$g,$b)
{
return '#'.sprintf('%02X%02X%02X',$r,$g,$b);
}
?>