$r, 'g' => $g, 'b' => $b);
}
function rgbToHex($r, $g, $b) {
$hex = sprintf("#%02X%02X%02X", $r, $g, $b);
return $hex;
}
function getComplementHex($hex) {
$rgb = hexToRgb($hex);
$compR = 255 - $rgb['r'];
$compG = 255 - $rgb['g'];
$compB = 255 - $rgb['b'];
return rgbToHex($compR, $compG, $compB);
}
$original_hex = "#000000";
$complement_hex = "#FFFFFF";
if (isset($_POST['calculate'])) {
if (!empty($_POST['hex_color']) && preg_match('/^#([0-9A-F]{3}|[0-9A-F]{6})$/i', $_POST['hex_color'])) {
$original_hex = strtoupper($_POST['hex_color']);
$complement_hex = getComplementHex($original_hex);
} else if (isset($_POST['r'], $_POST['g'], $_POST['b'])) {
$r = max(0, min(255, intval($_POST['r'])));
$g = max(0, min(255, intval($_POST['g'])));
$b = max(0, min(255, intval($_POST['b'])));
$original_hex = rgbToHex($r, $g, $b);
$complement_hex = getComplementHex($original_hex);
}
}
?>
Komplementärfarbe berechnen
Komplementärfarbe berechnen
Originalfarbe:
HEX:
Komplementärfarbe:
HEX: