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Need Help With A Color Issue Please  
User currently offlineAirKas1 From Netherlands, joined Dec 2003, 3968 posts, RR: 55
Posted (4 years 11 months 2 days 21 hours ago) and read 4325 times:

Hi guys,

I just edited an image, but when I uploaded it, the color didn't match with that I saw in PS.
It's tough to show because it keeps giving me the "wrong" color when I upload it to the internet.

Now I think the problem is with the sRGB/AdobeRGB but I don't really know how to fix it. With AdobeRGB it gives me a warmer color which I prefer in this particular shot, but if I save it as that, it still shows the wrong color when uploaded to the internet.

I hope I'm making sense as I find it a bit hard to explain.

The shot in question (with the "wrong" color):

http://www.airliners.net/addphotos/b...801493.14ph-hzl_grq_31-08-09kj.jpg



Kas

[Edited 2009-09-01 03:50:47]

10 replies: All unread, jump to last
 
User currently offlineDvincent From United States of America, joined Jan 2007, 1742 posts, RR: 11
Reply 1, posted (4 years 11 months 2 days 18 hours ago) and read 4288 times:
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When you save out from PS, use Save For Web and make sure convert to sRGB is checked.

Or, you can go to Edit > Convert to Profile and choose sRGB and it'll convert your edited file for you.



From the Mind of Minolta
User currently offlineAirKas1 From Netherlands, joined Dec 2003, 3968 posts, RR: 55
Reply 2, posted (4 years 11 months 2 days 15 hours ago) and read 4266 times:

Hi Dan,

Thanks for replying.

Quoting Dvincent (Reply 1):
When you save out from PS, use Save For Web and make sure convert to sRGB is checked.

That did the trick, thanks for the advice!

It seems that in Photoshop, the AdobeRGB lets me see the color I want and sRGB does not.. Shouldn't that be the other way around?


User currently offlineDvincent From United States of America, joined Jan 2007, 1742 posts, RR: 11
Reply 3, posted (4 years 11 months 2 days 15 hours ago) and read 4260 times:
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Quote:
It seems that in Photoshop, the AdobeRGB lets me see the color I want and sRGB does not.. Shouldn't that be the other way around?

Kas,

Adobe RGB is a larger gamut than sRGB, particularly in the reds. Photoshop is color managed and it can say "OK, adobe RGB corresponds to the colors on Kas' monitor in these ways." Since the web is not color managed, if it's not aware of those profiles it can't do that (unless you use Safari on a mac or Firefox 3.5). Uploading to a.net strips the profiles anyway. So by using SFW (or convert to profile to convert to sRGB) you fix the numbers to a specific colorspace instead of depending on tagged profiles to do that. It will try to preserve your warm color in the sRGB colorspace by doing that.

So yo need to convert to sRGB to keep the colors equal when you upload as browsers assume you are using sRGB when displaying colors. Since 255 red can mean different things on different devices, this can get quite tricky...



From the Mind of Minolta
User currently offlineAirKas1 From Netherlands, joined Dec 2003, 3968 posts, RR: 55
Reply 4, posted (4 years 11 months 1 day 22 hours ago) and read 4208 times:

That makes sense, thanks!  Smile

User currently offlineDiezel From Netherlands, joined Oct 2002, 646 posts, RR: 11
Reply 5, posted (4 years 11 months 1 day 20 hours ago) and read 4191 times:

I have one additional question and I hope somebody can answer it. Is there any way you can preserve the EXIF information when using Save For The Web? SFW seems to strip that from the image.

Roel.



Never be afraid of what you like. (Miles Davis)
User currently offlineDvincent From United States of America, joined Jan 2007, 1742 posts, RR: 11
Reply 6, posted (4 years 11 months 1 day 19 hours ago) and read 4179 times:
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Quoting Diezel (Reply 5):
I have one additional question and I hope somebody can answer it. Is there any way you can preserve the EXIF information when using Save For The Web? SFW seems to strip that from the image.

Photoshop CS4 fixes this problem.

(not really the answer you wanted to hear, but that's the truth)



From the Mind of Minolta
User currently offlineDiezel From Netherlands, joined Oct 2002, 646 posts, RR: 11
Reply 7, posted (4 years 11 months 1 day 13 hours ago) and read 4152 times:



Quoting Dvincent (Reply 6):
Photoshop CS4 fixes this problem.

Strange, I use CS4 on a Mac. But the EXIF data is gone after I save the image. I set the "metadata" option to "all", but nothing.

Roel.



Never be afraid of what you like. (Miles Davis)
User currently offlineDvincent From United States of America, joined Jan 2007, 1742 posts, RR: 11
Reply 8, posted (4 years 11 months 1 day 13 hours ago) and read 4146 times:
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Quoting Diezel (Reply 7):
Strange, I use CS4 on a Mac. But the EXIF data is gone after I save the image. I set the "metadata" option to "all", but nothing.

Roel,

If you have it set to All, you should definitely be getting the metadata. Maybe Adobe is saving it in there as XMP EXIF metadata, which is readable only by applications that support XMP. A lot of applications support XMP but not all of them do.

Also, on an aside, here's a good article to read (written by the guy who does the Lightroom smugmug plugin): http://regex.info/blog/photo-tech/color-spaces-page1

[Edited 2009-09-02 11:57:30]


From the Mind of Minolta
User currently offlineDiezel From Netherlands, joined Oct 2002, 646 posts, RR: 11
Reply 9, posted (4 years 11 months 1 day 11 hours ago) and read 4132 times:



Quoting Dvincent (Reply 8):
If you have it set to All, you should definitely be getting the metadata. Maybe Adobe is saving it in there as XMP EXIF metadata, which is readable only by applications that support XMP. A lot of applications support XMP but not all of them do.

Thanks Dan for your excellent tip.

It is indeed saved in Adobe XMP format which cannot be read by the standard EXIF plug-inn (FxIF) I use for Firefox. But I found another one: Exif Viewer 1.51 which can read it and it's there!

Excuses to Kas for hijacking his thread.

Roel.



Never be afraid of what you like. (Miles Davis)
User currently offlineAirKas1 From Netherlands, joined Dec 2003, 3968 posts, RR: 55
Reply 10, posted (4 years 11 months 1 day 9 hours ago) and read 4128 times:



Quoting Diezel (Reply 9):
Excuses to Kas for hijacking his thread.

No problem R  Smile


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