Pictures looking different after upload

December 10th, 2011
Has anyone else noticed that, or is it just me (or my monitor)?
Just realized that the color of my today's picture's frame looks somewhat yellow here in 365, even though I've chosen an orange color which I can still see if I'm looking at the same picture on my harddrive.

For comparison, I've uploaded the picture to my webspace, it's here:
http://www.catmom.de/2011/10-12.jpg

As you can see, the orange color of the picture is still visible.

And this is my picture here on 365 with the yellow frame (well, at least it looks yellowish to me):


I'm always uploading my pictures with a length of 550 px, so 365 doesn't need to crop or resize them. That way, I thought I would avoid a loss of quality. But another thing I've noticed is that pictures look oversharpened after the upload, even if they don't look like that otherwise. For this reason, I'm usually not sharpening my pictures for 365. But I think it is strange...

Or is it just me?
December 10th, 2011
I've had a couple of my photos look a bit darker after uploading, enough so that I put them in picnik afterwards to fix it.
December 10th, 2011
My shots always look worse when I post the to 365 and flickr. I think they lose some of the quality etc when they go up. Not sure why, but maybe when they get compressed they lose color, sharpness etc.
December 10th, 2011
@5unflow3r @catwhiskers : Hmm, yes, looks like they're getting compressed, just checked... Mine has 95 Kb now, originally 277...
December 10th, 2011
Yes it happens to every image uploaded more-or-less everywhere. Webservers resample the uploaded images to save both diskspace and data transfer. There's no inherent need to, they could leave them intact, but then costs would go up yadda yadda etc etc so everyone resamples. Best example I've got of how bad it is on 365 in particular can be seen in this one's caption.
December 10th, 2011
@eyebrows : Oh yes, I see what you mean! I noticed that especially thin lines are getting messed up big time, and your pictures show the difference very well.
December 10th, 2011
Might check your color settings for your camera and image processor. If you have the camera set to Adobe RGB, you will probably get different results on the web. You might need to convert your image from AdobeRGB to sRGB. Ig the uploader strips out the ICC profile (Adobe RGB vs. sRGB) then the web browsers does not know which RGB flavor you are using and then default to sRGB.
December 10th, 2011
@dune1953 Yep, probably a color space issue. If you use photoshop, use Save for Web and check the "Convert to sRGB" option.
December 10th, 2011
@dune1953 @mikew : Thanks, need to check that. I'm using Corel Photopaint for editing, will try to find out if they have such an option...


Edit: just checked, it's called "standard RGB", is that the same as sRGB? Just wondering...
December 10th, 2011
@shadowdancer - I have noticed that my photos appear darker upon posting and its annoying. So now I try to keep a tinge lighter so as not to lose details in the image when posted.
December 10th, 2011
Colour space is an issue too, but they'll still change no matter what you set it to.
December 10th, 2011
I assume standard RGB is the same as sRGB. I doubt that's the issue then.

By the way, I don't see much difference in the jpg link and the copy posted to 365. They are yellowy-orange, more yellow then orange I'd say.
December 10th, 2011
@shadowdancer standard RGB is most likely the same as sRGB
December 10th, 2011
@shadowdancer - The version at http://www.catmom.de/2011/10-12.jpg contains all of the proper EXIF info and colorspace, sRGB. Looking at the View More Sizes => MAIN version, the EXIF info and colorspace is stripped out. So, it appears that upon importing, the original image is converted to the "Main" version. Curious.
December 10th, 2011
@dune1953 This really makes a difference. I shoot,edit, and convert in SRGB color format. The only problem I have had is my photos being a bit darker after upload. So I usually just lighten a bit too much before upload and it is usually pretty good.
December 11th, 2011
@shadowdancer @eyebrows @mikew @dune1953 I don't know if it is the issue here, but note that you can get a colour shift even if you work in sRGB for the web, depending on the operating system you use and the browser. It's much more dramatic if you work in Adobe RGB and use a non-colour managed browser, but you can still get a shift from sRGB (see the excellent explanation here).

@shadowdancer I'm guessing the version on your webspace still has the sRGB profile embedded, and perhaps the 365 version has the profile stripped, either by you (using 'save for web') or by the website itself when resampling. Just a guess, but perhaps something you could investigate further?

The really frustrating thing for a photographer is knowing that no matter how carefully you colour manage your own hardware to ensure your image displays truly, you have to accept that your images will look completely different on the 99% of uncalibrated monitors out there. My wife has an uncalibrated monitor on her otherwise identical laptop and sometimes I can't believe how different my images look on her machine!

Good luck with your mystery anyway :)
December 11th, 2011
Yep - I noticed it too, just in the last few days. My photos have been a lot lighter when uploaded.
December 11th, 2011
I have had the same problem with pictures looking different (usually darker). I caught onto it after a while, and have recently deleted a picture as soon as I post it when I notice it's too dark. (before anyone comments!) I have one that decent a few months ago, I posted it, and later when I saw it on here noticed it was very dark. I thought maybe I overprocessed it, but it looks a lot better on my computer. Aggravating!
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