color profile #3329
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i do a lot of photowork and i know when i export from raw to jpg i have to do it to an srgb profile/mode you see there is a big difference in contrast/saturation between for instance Display P3 Generic rgb |
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Normally the best is to simply use the color profile created by the OS for your display based on the colorimetry data stored in the EDID. This is called Factory Profile in macOS. If for whatever reason you don't see this appropriate, you can use hardware calibrator tools to properly calibrate the display and create a profile. A proper hardware calibrator will take try to figure out the display's actual optical responses to a given the electrical output (video signal, various color levels sent as RGB values) by the computer and figure out the actual EOTF (electro-optical transfer function) and create a profile based on that. Selecting one of the predefined profiles won't make the display color accurate, but if you have a selectable profile in the display's OSD (like sRGB or P3), then you can get to mostly proper results by selecting the appropriate OS color profile - hoping that the display correctly presents the colors based on the standardized EOTF of one of these predefined profiles, so the signals sent by the computer will result in the proper optical output on the display's panel. The macOS color profile determines how the OS tries to translate colors to RGB values sent to the display - display side calibration (using a predefined mode or the various OSD color adjustment options usually available on displays) do the same on the display's side, modify how the received RGB data is translated to the panel. |
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Normally the best is to simply use the color profile created by the OS for your display based on the colorimetry data stored in the EDID. This is called Factory Profile in macOS. If for whatever reason you don't see this appropriate, you can use hardware calibrator tools to properly calibrate the display and create a profile. A proper hardware calibrator will take try to figure out the display's actual optical responses to a given the electrical output (video signal, various color levels sent as RGB values) by the computer and figure out the actual EOTF (electro-optical transfer function) and create a profile based on that. Selecting one of the predefined profiles won't make the display c…