Php/docs/imagick.getimagemattecolor
From Get docs
Imagick::getImageMatteColor
(PECL imagick 2, PECL imagick 3)
Imagick::getImageMatteColor — Returns the image matte color
Warning This function has been DEPRECATED as of Imagick 3.4.4. Relying on this function is highly discouraged.
Return Values
Returns ImagickPixel object on success.
Errors/Exceptions
Throws ImagickException on error.