This depends on the camera and the sensor's bayer filter [0]. For example the quad bayer uses a 4x4 like: G G R R G G R R B B G G B B G G [0]:

This depends on the camera and the sensor's bayer filter [0]. For example the quad bayer uses a 4x4 like: G G R R G G R R B B G G B B G G [0]: https://en.wikipedia.org/wiki/Bayer_filter https://en.wikipedia.org/wiki/Bayer_filter