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How to set Photoshop mode as SRGB

Posted on 2011-03-02
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I am a little confused on the difference between RBG and SRGB and I was hoping someone could explain to me how I set the mode to SRGB. Thank you
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Question by:ald413
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David Brugge earned 500 total points
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Yes, it can be confusing. Without going into a lot of boring detail, you have basically three ways to describe the colors that you with on an image.

The traditional CMYK (cyan, magenta, yellow, and black) are the colors used on a printing press, and this is used for artwork for commercial printing.

Then there is indexed-color. This was the early method used for the web. Images created with indexed-color can be almost any color, but they are limited to just 256 tones and shades.

That leaves us RGB (Red, Green, Blue) These are the colors of the phosphors in a computer screen. RGB is used to describe colors destined for computer or video screens.

That part's easy.

The trouble is that using RGB on your computer might give you different colors than the RGB on my computer. That's were profiles come in. Think of profiles like brands of crayons. You may be coloring with "Crayola" crayons, and I'm using "Brand-X". We both color with "Red" but the colors don't match. The two companies used different formula to make red crayons.

sRGB is a set of standards that tells a device how to treat the RGB colors in an image. It helps assure consistency from one device to another.

When you open a new file in Photoshop, you will see the Color Mode that lets you select RGB. Click the Advanced button at the bottom of the window and set your profile to sRGB-IED61966-2.1, and that's it.

If you already have artwork that is not in sRGB, you can assign the sRGB profile using Edit>Convert to Profile (if it already has another profile) or Edit> Assign Profile (if it doesn't)

You can also assign sRGB in the Save For Web And Devices dialogue. There is a checkbox near the middle that says  "convert to sRGB"
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