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Can't get Capture One screen color to match output sRGB PNGs

Drew Tronvig
I can't for the life of me get the color (space?) of images in the Capture One editing window to match the colors of output sRGB IEC6 PNG's, viewed on the same monitor in any viewer. The color displayed in Capture One is consistently warmer, with greener tint, than the generated PNG's. I've tired all the pertinent-looking Proof Profiles -- the sRGB IEC6 and the two No Profile options -- and none give perceptibly different results. Not that I'd think it would matter, but I'm processing NEF files, having chosen an Adobe color space on the camera.

What am I missing?
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Comments

9 comments

Date Votes
  • GrahamB3
    One must calibrate one's monitor as a bare minimum for WYSIWYG output.

    There's many articles available on the web for monitor calibration, give it a search.

    I use the Datacolor Spyder5, and Display CAL, open source software. If you go with my choice, purchase the Spyder5 express, selling at Amazon for $129. The only difference between the least and most expensive packages is the software, and I recommend the free Display CAL, so no need to spring for the Datacolor software.

    Before going the calibration route, make sure your monitor can be adjusted.
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  • cdc
    [quote="NNN635862103489891163" wrote:
    viewed on the same monitor in any viewer.


    Which viewers?
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  • SFA
    [quote="NNN635862103489891163" wrote:
    Not that I'd think it would matter, but I'm processing NEF files, having chosen an Adobe color space on the camera.



    The in camera setting would be applied to in camera processed jpgs and that would include the jpg preview file in the NEF raw file coming from the camera. However the NEF RAW data should be colour space agnostic during processing. You would need to match the output colour profile to whatever is likely to be used for presenting the output. That can be challenging for both printing on different paper types and and screen presentation since you have no control over the settings of the display device or the display application software.

    That said the most common settings for screens and browsers and viewers for jpg files is sRGB.

    So there's the puzzle.

    What are your screen settings?
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  • Drew Tronvig
    The monitor is calibrated, but that's kind of beside the point. The PNG colors do not match the colors in the Capture One Viewer on the same monitor.

    I've looked at the PNGs so far in Photos, Windows Photo Viewer and IrfanView, none of which should be able re-map the colors in a PNG. They're RGB images displayed on an RGB monitor, so there shouldn't be any room for misinterpretation. A lot of photos will just go up on Facebook, and even after Facebook's processing, the photo colors match the source PNGs pretty well but not the colors on the Capture One Viewer.
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  • Drew Tronvig
    Ooo, I may have it licked.

    I had been trying Proof Profiles: sRGB IEC6, Phase One RGB, No Proofing, and No Proof Profile. Now I caught "Phase One - PC Monitor", and that displays colors that are at least very close to consistent with the PNG's, as displayed on the same monitor.

    So it seems like I have to choose that "Phase One - PC Monitor" Proof Profile just to get Capture One to leave the colors alone when exporting PNG's (and I would imagine JPEGs). I'm not going to think too hard about why that would give different results than, say, No Proof Profile.

    I'll check back in if it turns out there's some more subtle mismatch in colors.

    Thanks,
    Drew
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  • cdc
    Admittedly I haven't worked with PNG's enough to be familiar with how their color spaces differ from jpg's, but why would you be using Windows Photos for color evaluation when it is not color managed? Using my calibrated monitor I've only seen sRGB JPG's display overly saturated in Windows Photo Viewer, why would an sRGB PNG not behave similarly? sRGB PNG's do view as over saturated on my monitor in Windows Photos.

    I've also never had success with IrfranView even after enabling its color management it has always displayed the same as Windows Photos Viewer. Someone correct me if I'm wrong but from what I understand neither of these programs take calibration profiles into account so when using them on a calibrated wide gamut display the images are not accurate.

    I use Bridge for previewing now but have had a good experiences with fastpictureviewer or color managed web browsers as far as previewing color consistency goes.
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  • Clau_S
    [quote="cdc" wrote:

    I've also never had success with IrfranView even after enabling its color management it has always displayed the same as Windows Photos Viewer. Someone correct me if I'm wrong but from what I understand neither of these programs take calibration profiles into account so when using them on a calibrated wide gamut display the images are not accurate.


    IrfanView is able to manage color profiles but you have to install LCMS plugin to effectively enable color management when the option is checked. In fact you can read "(Plugin)" next to it.

    You can find the plugins here
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  • cdc
    [quote="ClauS" wrote:

    IrfanView is able to manage color profiles but you have to install LCMS plugin to effectively enable color management when the option is checked. In fact you can read "(Plugin)" next to it.

    You can find the plugins here


    Well I'll be damned! I just reinstalled IrfranView along with the plugin and look at that, working color management! Some how I missed that after all these years and could never figure out why people kept recommending it as a good color managed viewer.

    Thank you for the insight!
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  • Clau_S
    [quote="cdc" wrote:


    Well I'll be damned! I just reinstalled IrfranView along with the plugin and look at that, working color management! Some how I missed that after all these years and could never figure out why people kept recommending it as a good color managed viewer.

    Thank you for the insight!


    You're in pretty good company. I've used IV for years before quitting photography for some time. After the last install a few months ago I couldn't understand why it didn't manage color profiles anymore even if I had checked the option. I grasped it by chance a few days ago when for the first time I didn't stop to read just the first three words of the option. I had completely forgot (I had) to install the plugin 😂
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