(PECL gmagick >= Unknown)
GmagickPixel::getcolor — Returns the color
$as_array = false, bool $normalize_array = false): mixedReturns the color described by the GmagickPixel object, as a string or an array. If the color has an opacity channel set, this is provided as a fourth value in the list.
A string or an array of channel values, each normalized if true is given as normalize_array. Throws GmagickPixelException on error.