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Last Post:
21 Feb 26, 19:23
Last Post By: Laza
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Posts:
96
Registered:
16-Nov-2012
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Posts:
8,055
Registered:
31-Jan-2006
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Re: Title image displayed with lower saturation
Posted:
18 Feb 26, 21:38
in response to: BRBremen
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It's an optical illusion, because of the different cropping of the two images.
I, too, thought your slide image was more saturated. So I grabbed your hero image and your slide image from your site. Then I quickly scaled the hero to the same width as the slide image (1560px) and cropped the slide image to the same height as the theme image (550px). Now compare the two images directly.
I was surprised - I can't tell them apart!
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Posts:
96
Registered:
16-Nov-2012
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Re: Title image displayed with lower saturation
Posted:
18 Feb 26, 21:45
in response to: JeffTucker
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I've opened a scaled version of your photo directly in the browser and placed it next to the cover photo. You can see a clear difference; this has nothing to do with cropping. My other cover photos aren't displayed this way; this currently only affects two of my cover photos.
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Posts:
8,055
Registered:
31-Jan-2006
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Re: Title image displayed with lower saturation
Posted:
18 Feb 26, 22:10
in response to: BRBremen
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I took my slide and hero images and put them together (give or take a few pixels) into a single image, attached. Which is which?
I suspect this has something to do with the handling of color profiles by different applications, but I can't sort it out.
ETA: One other question - are you doing any image editing within jAlbum? Just a hunch.
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Posts:
1,456
Registered:
6-Sep-2005
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Re: Title image displayed with lower saturation
Posted:
19 Feb 26, 08:38
in response to: BRBremen
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The slide images are using Adobe RGB (1998) color space, while the normal image generation in jAlbum (like the folder images) results in sRGB images.
I believe the best approach is to use sRGB images, as that's the common denominator across all browsers.
I made a sample album with different color profiles:
https://laza.jalbum.net/Testing%20color%20spaces/ |
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Posts:
96
Registered:
16-Nov-2012
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Re: Title image displayed with lower saturation
Posted:
19 Feb 26, 08:45
in response to: BRBremen
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I never edit photos in Jalbum afterwards. This problem has never occurred for me before. Strangely, all my other cover photos are displayed correctly.
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Posts:
1,456
Registered:
6-Sep-2005
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Re: Title image displayed with lower saturation
Posted:
19 Feb 26, 11:13
in response to: BRBremen
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If a photo is smaller than the image bounds, jAlbum simply copies it, preserving the original color space.
The skin behaves no differently from the older version. Perhaps the new jAlbum has new codecs? I don't know.
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Posts:
96
Registered:
16-Nov-2012
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Re: Title image displayed with lower saturation
Posted:
19 Feb 26, 15:51
in response to: BRBremen
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I already tested various versions of jAlbum yesterday... versions 39 and 38.2.1... the problem cannot be fixed.
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Posts:
8,055
Registered:
31-Jan-2006
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Re: Title image displayed with lower saturation
Posted:
19 Feb 26, 16:02
in response to: BRBremen
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I never edit photos in Jalbum afterwards.
I didn't think you were, but thanks for clarifying it. At least that's one source of potential trouble off the list of suspects. |
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8,055
Registered:
31-Jan-2006
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Re: Title image displayed with lower saturation
Posted:
19 Feb 26, 16:28
in response to: Laza
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If a photo is smaller than the image bounds, jAlbum simply copies it, preserving the original color space.
His site is blocking access to the lifeboat file, so I can't check any of the settings. But I wonder if Force processing of small images has been checked? If it were, I believe that would force the slide image into the sRGB color space, and the differences might vanish.
I think you're on the right track. On a Windows PC, I can't detect any difference in the theme and slide images, but on a Mac, I can see the difference, which leads me to suspect that the Mac is handling color spaces differently. But even on the Mac, if I grab both images, then view them side-by-side, the difference in saturation vanishes. There, too, it's difficult to know what various image viewers are doing with the color space information - a given viewer might be ignoring the Adobe RGB. |
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Posts:
96
Registered:
16-Nov-2012
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Re: Title image displayed with lower saturation
Posted:
19 Feb 26, 20:13
in response to: BRBremen
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I just don't understand it. This problem never existed before, in all possible versions of the software, and now it's suddenly there, regardless of which software version I use, and I've been using Mac OS for a year and a half now.
Edited by: BRBremen on 19 Feb 2026, 20:14
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Posts:
8,055
Registered:
31-Jan-2006
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Re: Title image displayed with lower saturation
Posted:
19 Feb 26, 20:28
in response to: BRBremen
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What happens if you take your original version of 218 205-3 - EGP.jpg, save it in the sRGB color space, then replace the version in the project with this newly-saved version?
Try using the attached image in the project, instead of the existing one (it's a different file name, so you can add it without replacing what's there already). Choose this one as the theme image.
Edited by: JeffTucker on 19 Feb 2026, 15:54 - better quality image
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Posts:
3,891
Registered:
4-Aug-2006
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Re: Title image displayed with lower saturation
Posted:
19 Feb 26, 22:29
in response to: Laza
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The slide images are using Adobe RGB (1998) color space, while the normal image generation in jAlbum (like the folder images) results in sRGB images.
I believe the best approach is to use sRGB images, as that's the common denominator across all browsers.
I made a sample album with different color profiles:
https://laza.jalbum.net/Testing%20color%20spaces/
Just for the record, since colour spaces is a recurring topic. Apple's Retina displays max out at the DCI-P3 (P3) colour space, Adobe RGB has colours outside that of DCI-P3 - mostly in the greens - though the two spaces have very similar volumes. Only sRGB fits fully within the DCI-P3 gamut.
A comparison of the three colour spaces: https://monitoraholic.com/srgb-vs-adobergb-vs-dci-p3-which-color-space-should-you-use/
Edited by: JeffTucker on 21 Feb 2026, 10:42, to fix link |
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Posts:
96
Registered:
16-Nov-2012
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Re: Title image displayed with lower saturation
Posted:
20 Feb 26, 19:47
in response to: BRBremen
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I tried using the file 218 205-3 - EGPv2.jpg, and the saturation is displayed correctly there.
It's a shame it doesn't work with Adobe RGB (1998), because I prefer this color space, as the color aquamarine is displayed much better than in the sRGB color space.
As I've already described several times, it always worked with Adobe RGB (1998) for the cover image. But why doesn't it work anymore?
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Posts:
8,055
Registered:
31-Jan-2006
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Re: Title image displayed with lower saturation
Posted:
20 Feb 26, 21:02
in response to: BRBremen
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I believe that Adobe RGB is supported in Firefox and Safari, but support in the other Chrome-based browsers (including Brave and Edge) is spotty at best, and often requires elaborate monitor synchronization. jAlbum has to be configured to accommodate real world conditions, and it's producing albums that will be viewed in common browsers, and on basic monitors.
If you provide an Adobe RGB image to the project, but the settings result in the original being shown as the slide image, there will be a mismatch. The theme image will be processed, resulting in an sRGB image, but the slide image will not be processed - the album will be showing the unaltered Adobe RGB image. At that point, the two images may not look the same, depending upon the browser and monitor.
Provide sRGB images to the project, and the problems go away.
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