This video gives a walk-through of the process in VFX for doing a reverse-out plate neutralization by calibrating the image to match the color gamut and white balance of the target color space (ACEScg) using a Macbeth chart, and likewise calibrate the HDR captured on set to the same target color space, using this to light the CG assets with normalized image-based lighting
https://vimeo.com/manage/videos/727228662
Hope folks find it helpful!