FAQ: Viewing Gamma Choices Explained Viewer Gamma Choices Explained for SDR Color Work I don't know if you're on a Mac without reference modes, a Mac with Reference modes, or everything else. This will cover everyone basically. For reference, I work for/with teach pro colorists and have worked in both Premiere and Resolve for over a decade. Rec.709 standards require the screen/monitor to apply a display transform to the video data of essentially gamma 2.4. All broadcast specced systems, PCs, TVs, streaming, Android, and Macs with Reference modes set to HDTV ... follow the proper standards. ONLY Macs without Reference modes use a different, and very much lighter, display transform! For some unfortunate reason, Apple uses essentially gamma 1.96 on all Retina Macs without Reference modes. Which presents a light image in the shadows of the same file data. They may also have a separate issue in mapping Rec.709's sRGB data to their P3 color space s