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Sorry for the trouble. Import the exported file back into Premiere Pro & check the colors.
Also, just for a test, change the renderer in Project settings & check the issue with an Adjustment layer. Steps: FAQ: How to change the Video Renderer in Premiere Pro?
Let us know the status.
Thanks for your quick answer!
I've tried changing the renderer and it does not solve the problem.
I've also made some more test in order to find out where the problem is. I've tried the following: I've copied and pasted to each clip of the sequence the Lumetri effect applied to the adjustment layer and exported the sequence like that and the colors rendered ok. So the problem is definitely on the process of exporting and rendering the sequence with the adjustment layer. The export settings were on both cases the same and nothing changed except for the Lumetri effect being directly on each clip or in one adjustment layer above all the clips.
Can you point out any more possible solutions?
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As it has happened to me that when combining effects not of the expected result I make this comment to you:
According to what I understand from your comment, it seems that Premiere does not process the preview in the same way as the export.
The way I had to solve the problem is to nest, select the entire sequence, right click, nest, and above the nested sequence the adjustment layer with the rest of the effects.
You can test if it also works for you.
Please try the steps recommended by juanmario & let us know the status.
I think Jamie LeJeune has it right in the following thread from the Blackmagic forums. He's specifically talking about Resolve, but the idea holds true for all NLEs. The upshot is, "The only image you can trust is to run SDI out to an accurately calibrated reference monitor."
Thanks juanmario! I'm about to try what you proposed. I didn't understand one thing. You suggest that I should nest the whole sequence and apply the adjustment layer to the nested sequence right?
Hi Jim Simon! thanks for your reply. I understand what you say buy I don't think this is the case. My problem is that I see differences in the way premiere renders colors when exporting my projects. This differences are visible on the same monitor. So, when I compare the colors on premiere against the colors on the exported file they differ greatly.
What you suggest would apply if the differences appeared when I change the viewing monitor, am I right?
Please let me know if I'm mistaken.
My problem is that I see differences in the way premiere renders colors when exporting my projects.
That could easily be because you're not viewing it correctly. That is always the first step here. Make sure you're seeing an accurate signal. That means a calibrated display from a hardware device.
I'm sorry if I keep insisting with this and thank you for bearing with me, but if I always use the same monitor (my MacBook Pro monitor) shouldn't I always see the same colors (during editing and after exporting)? Even if these are not accurate as my laptop's monitor may not be well calibrated. The miscalibration should be the same for both instances (editing inside premiere and exported final file).
If this was a problem of bad calibration I should see one thing during editing, the same thing when I see the exported file on my laptop and a different one when I see this file on one well calibrated monitor. Or am I wrong?
Thanks for your reply and patience.
PS. Please find attached both instances (what I see in premiere and the exported file) both on my macbook monitor side by side
To your question, absolutely ... not.
PrPro is built around working with the universal standards for pro b-cast media: Rec 709/sRGB at gamma 2.2, and will work to show that within the program. If your monitor is not set for that, viewers outside the app will not show the image the same. Especially QuickTime player and the Safari and Chrome browsers, which are all completely color-unaware.
VLC and Potplayer are mostly color-aware, and you can go into them and set the color space I think on most rigs. Could be wrong on that last bit though. And Firefox is the only color-aware browser.
Many recent Mac monitors are P3, a very different color space with different gamma also I believe. Mac gives no user options to set color space and anyway, if the monitor hardware is P3, it probably will only be sort of successful to try & profile it to sRGB/2.2.
PrPro currently doesn't have user-settings for color management, other than in the Lumetri panel you can select Rec2020 and HDR, which ... unless you actually have a monitor capable of those, doesn't do much. Feel free to request more user settings for color management in PrPro. HDR is coming, and rather fast ... and monitors are changing also. I tend to think we need to be able to adjust for what our gear is to at least some minimal extent.
Adobe UserVoice Bug /Feature form: https://adobe-video.uservoice.com/forums/911233-premiere-pro