(PECL imagick 2.0.0)
Sets the normalized HSL color
bool ImagickPixel::setHSL ( float $hue, float $saturation, float $luminosity )
Sets the color described by the ImagickPixel object using normalized values for hue, saturation and luminosity.
Parameters:
hue
The normalized value for hue, described as a fractional arc (between 0 and 1) of the hue circle, where the zero valu