(PHP 4 >= 4.0.1, PHP 5)
imagecolorclosesthwb — Get the index of the color which has the hue, white and blackness
Get the index of the color which has the hue,
white and blacknessnearest the given color.
An image resource, returned by one of the image creation functions,
such as imagecreatetruecolor().
Value of red component.
Value of green component.
Value of blue component.
Returns an integer with the index of the color which has
the hue, white and blackness nearest the given color.
Example #1 Example of using imagecolorclosesthwb()
<?php$im = imagecreatefromgif('php.gif');echo 'HWB: ' . imagecolorclosesthwb($im, 116, 115, 152);imagedestroy($im);?>
The above example will output
something similar to: