I've been having these problems for years in almost every NLE I've used. As a stop-gap measure, I take the before and after shot, and create a LUT to compensate for that difference. In other words, despite whether my system is professionally calibrated or not, I'm only concerned with the difference between the (working) input and its output—within the system. It's not a 100% gamma/hue match, but below is a LUT I'm using to compensate for that difference. I usually add the LUT to the final stage of export (Premiere Pro/AME) in the "Effects" tab in the Lumetri Look/LUT. PPCC2018_Celso_Compensator.cube - Google Drive Disclaimer: I'm using a MacBook Pro, OS 10.12.6, running Premiere Pro CC 2018, so your mileage may vary. My work consists mostly of Rec709 output.
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