The Adobe RGB color space was designed to encompass the output of CMYK printers. Even humble models of inkjet printer produce colors outside of the sRGB gamut, while only high-end printers exceed Adobe RGB in output. Adobe RGBĪdobe RGB is recommended to anyone who does their printing at home or who supplies third parties with images for publishing. Most people can’t see much color outside of sRGB because of the standard gamut of their monitors, so a bigger space would be largely wasted on your web audience. The popular assertion that this color space is the “Internet standard” is partly true, though slightly outmoded. The types of subjects you shoot may play a part in choosing a working space. Skin tones are likely to be encompassed by the sRGB color space, so you don’t lose data by editing in it. Some subjects are better suited to this color space than others, like portraits. It’s one way of keeping things simple, but does potentially forfeit a lot of color data between camera and Photoshop, especially if you shoot RAW. SRGB might be a good choice of working space if all you ever do is publish photos on the Internet and get your prints done at the shopping mall (i.e. Here are the three main choices of RGB working space:

Any adjustments made to shadows, mid-tones or highlights cause the same degree of change, too, so editing is always predictable.

To illustrate this, if all three red, green and blue (RGB) values are equal in any pixel, the tone will always be neutral, be it gray, black or white. In other words, we know what to expect from them when we edit our photos. sRGB, Adobe RGB or ProPhoto RGB) are used for editing because they are “well behaved”. Choice of RGB working space is, therefore, mainly about picking a gamut that suits your needs best. Tertiary colors are created by blending adjacent primary and secondary colors.Īll RGB working spaces have the same number of colors the gamut they cover is the main difference between them. For example, a fully saturated magenta tone contains no green (RGB 255,0,255), so sits opposite green on the wheel. This simple RGB color wheel shows the relationship between primary (red, green, blue) and secondary (cyan, magenta, yellow) colors.

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