[retcore]

>It's just the camera sensor's color space (Adobe RGB)

Sensors don't have a color space. It's a transformation applied in the camera software. Unfortunately no commercially available camera either exposes using the sensor data output itself, leading to often considerable non linearity between the measurable output values and the actual exposure. This is applied to the raw file for exposure and post processing raw conversion. You need to analyse the non de-bayered raw files directly to assess what's happening in the captured data.