get_color_brightness()

Get color brightness by given HEX code.

get_color_brightness( string $hex ) : float

Parameters

$hex (string) (Required) HEX color code.

Return Values

(string) Color brightness.

Examples

$text = 'String';
$hex = string_to_color_code($text); // a33297
$brightness = get_color_brightness($hex); // 95.301
$color = $brightness > 130 ? '000' : 'fff';

echo '<span style="background: #'.$hex.'; color: #'.$color.';">'.$text.'</span>';
// <span style="background: #a33297; color: #fff;">String</span>