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Color Management for online posting.
May 17, 2021 20:31:25   #
frankNichols Loc: The Villages. FL
 
I am seeing a significant reduction in contrast and brightness when I post photo's to the forum here (and elsewhere?)

I expect it is because I edit in a color-managed environment (iMac Pro, Capture One 21, et al) and when I post here, the web is not honoring the embedded color profile.

Should I create a web variant of the photos that do not rely on an embedded color profile in order to get closer match to what I see and print, compared to what I see here?

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May 17, 2021 20:45:44   #
Longshadow Loc: Audubon, PA, United States
 
Is the color profile in the images you are posting "sRGB"?
Browsers like sRGB, not so much anything else.

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May 17, 2021 20:48:09   #
rgrenaderphoto Loc: Hollywood, CA
 
frankNichols wrote:
I am seeing a significant reduction in contrast and brightness when I post photo's to the forum here (and elsewhere?)

I expect it is because I edit in a color-managed environment (iMac Pro, Capture One 21, et al) and when I post here, the web is not honoring the embedded color profile.

Should I create a web variant of the photos that do not rely on an embedded color profile in order to get closer match to what I see and print, compared to what I see here?


Have you ever calibrated your monitor with a hardware colorimeter? It makes a difference. This web page covers Lightroom settings, but Capture One is probably pretty similar.

https://www.clickandlearnphotography.com/latest/lightroom-export-settings-explained-for-web-and-print/#:~:text=File%20Settings&text=JPEG%20will%20be%20the%20best,results%20across%20web%20and%20print.

I use 3000 pixels for the long edge, since that matches the resolution of the retna display on iPads.

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May 17, 2021 20:50:00   #
frankNichols Loc: The Villages. FL
 
Yes, my monitor is calibraated. Thanks for the link, I will read it, I am sure Capture One is similar

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May 17, 2021 21:08:47   #
Longshadow Loc: Audubon, PA, United States
 
Two of your downloads I checked have sRGB color profile,
the thumbnails have the color profile stripped.

Therefore the thumbnails and the downloads will look a bit different.
The thumbnails are not your doing, but the coding at UHH.

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May 17, 2021 21:10:23   #
Quixdraw Loc: x
 
Whatever you do, you will never know what others see on their monitors unless you know them well enough to visit their homes and look over their shoulders. Best of luck moving forward!

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May 17, 2021 21:13:18   #
Longshadow Loc: Audubon, PA, United States
 
quixdraw wrote:
Whatever you do, you will never know what others see on their monitors unless you know them well enough to visit their homes and look over their shoulders. Best of luck moving forward!



Just like TVs in a store, they all look different.

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May 17, 2021 21:31:16   #
burkphoto Loc: High Point, NC
 
frankNichols wrote:
I am seeing a significant reduction in contrast and brightness when I post photo's to the forum here (and elsewhere?)

I expect it is because I edit in a color-managed environment (iMac Pro, Capture One 21, et al) and when I post here, the web is not honoring the embedded color profile.

Should I create a web variant of the photos that do not rely on an embedded color profile in order to get closer match to what I see and print, compared to what I see here?


Use sRGB, tagged and embedded. Do not use any other profile on the Internet.

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May 17, 2021 21:43:32   #
CHG_CANON Loc: the Windy City
 
I looked at your recent Great Blue Heron. As noted already, your image (this GBH, at least) has 'color space data' as RGB. But, the file wasn't created with a 'color space' value of sRGB. Look at your workflow and how the final JPG is created, and assure the color space is sRGB.

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May 17, 2021 21:49:33   #
frankNichols Loc: The Villages. FL
 
That's it, thank you.

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May 18, 2021 04:25:32   #
robertjerl Loc: Corona, California
 
Just to keep it straight I have Lightroom set to export as sRGB and everything I am going to post on line gets exported to the desktop and then selected to post from there, just my way of doing it.
But things to print or transfer to another computer go straight out of LR as RGB.

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May 18, 2021 06:53:36   #
Gene51 Loc: Yonkers, NY, now in LSD (LowerSlowerDelaware)
 
frankNichols wrote:
Yes, my monitor is calibraated. Thanks for the link, I will read it, I am sure Capture One is similar


When was the last time you profiled your display? A profile that is over a month old can be problematic. Is your display profiled to the correct brightness? Most Apple displays are too bright. Use a target of 80 CDA/M² (candelas per square meter) for a starting point. If your display is too bright, the resulting images on other platforms will appear darker and lower in quality.

Raw converters do not assign a color profile to the working space before exporting, but you can assign any ICC profile you have created when you export your jpeg, tiff, or png file.

Which profiling tool do you use? The basic ones have few parameters that you can adjust - the midrange ones allow very granular adjustment using a colorimeter for measuring, and the best (most expensive ones) use faster and more accurate spectrophotometers.

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