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sRGB vs Adobe RGB
Old 01-15-2005, 10:32 AM   #1 (permalink)
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How do I convert all my images to sRGB colorspace from Adobe RGB colorspace?
Is sRGB best for pictures destined for the web? If so why?

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Re: sRGB vs Adobe RGB
Old 01-15-2005, 11:31 AM   #2 (permalink)
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From what I have herd RGB is best if you plan on making lots of changes to an image and sRGB is best for web work. I have that setting in my Camera. I am not sure but if you do a save for web it might change your image to sRGB for you.

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Re: sRGB vs Adobe RGB
Old 01-15-2005, 12:26 PM   #3 (permalink)
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sRGB is for the web, really. Adobe RGB has more colors (wider gamut) than sRGB. Adobe is better to "work" in, but can cause you problems.

When you convert and edit in Adobe RGB, and then display it on the web, if you are outside the sRGB color "area", then you colors will shift until they are in the area. Thus, your picture will have changed.

Also, some printers will behave like an sRGB device, or will ICM a monitor, which is probably sRGB. Thus, when you print, a similar thing to above will happen, and your prints will be off. Therefore, you need to profile the printer and all kinds of crazy stuff.

So, if you are not a seasoned professional at images, color management, and the like, keep everything in sRGB and you'll be okay for the most part.
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easy answer
Old 01-15-2005, 01:14 PM   #4 (permalink)
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sRGB is short for satanic RGB.

9 out of 10 Color Management Pros suggest you use Adobe 1998 for everything (at this time). New color profiles on nearby horizon. The other guy who doesn't recommend it was out drinking last night.

There is no reaosn to limit yourself to a lowest common denominator color space for web or anything else. Use Adobe 1998.

I attended a very cool forum with the best experts on Photoshop and color management that included some of the developers of PS, and they very clearly stated that there is no reason for anyone using any camera above a basic consumer unit to even consider sRGB. For any use. None, ever, never.

Since they know way more than me, and probably anyone on this forum, on this subject, I take their advice.
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Re: sRGB vs Adobe RGB
Old 01-15-2005, 01:38 PM   #5 (permalink)
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http://www.color.org/sRGB.html
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Re: sRGB vs Adobe RGB
Old 01-15-2005, 01:41 PM   #6 (permalink)
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http://www.adobe.com/support/techgui...ment/main.html
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Re: sRGB vs Adobe RGB
Old 01-15-2005, 01:42 PM   #7 (permalink)
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Oops, las link seems to have changed

http://busca.adobe.com/search?site=A...ement&x=19&y=8
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Re: sRGB vs Adobe RGB
Old 01-15-2005, 01:55 PM   #8 (permalink)
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In my post under tech "Color problem after Posting" I was shooting Raw and using ProPhoto RGB color space and the convert to web option. The results were less than encouraging. After I converted to sRGB it looked much better on the web. The author Bruce Fraser wrote in his book "Camera Raw with Adobe Photoshop CS" ProPhoto RGB captures dark yellows and oranges that lie outside of the gamut of Adobe RBG. He has a figure to illustrate that point and is most likely correct but it clearly stinks for web output, to save the conversion step I'll probably stick to Adobe RGB, unless I learn it must still be performed. I must say I did learn a lot from his book and would recommend it.
Ken
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Re: sRGB vs Adobe RGB
Old 01-15-2005, 01:59 PM   #9 (permalink)
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while reading the replies to this post it occurred to me that some people seem to be mixing apples with, uhhh.... well, they're mixing different kinds of apples, like galas with rome beauties.

certainly everyone should be capturing in adobe 1998. and if your editing in PS or another processor, you should be working in that same color space. but if you're going to post your image on the web, you should convert to sRGB and save it as such. why? cuz sRGB only utilizes colors that the web is capable of handling. so here's what you do: shoot it in adobe 1998. process it in adobe 1998. save your image as two different files: one in adobe 1998 and another (for web use) in sRGB.
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Re: sRGB vs Adobe RGB
Old 01-15-2005, 02:07 PM   #10 (permalink)
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Jimmy,

You make the most sense so far. Clear and easy to understand. Thanks

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