System information

A. RGB color gamut
B. CMYK color gamut
For more information on color gamuts and color spaces, see the Adobe Acrobat Help.
Device-dependent color
Device-dependent colors relate to the settings of the device on which the image was created or
output. Device-dependent colors require all devices in the workflow to be “calibrated” to obtain
consistent color reproduction. In other words, the input devices (for example scanners or digital
cameras), monitors and output devices (for example digital color printers) have to be tuned to each
other to make the colors match.
Differences may even occur between devices of the same type or model, because they may have
different settings. Monitors may have different brightness or contrast, for example.
For more information on device-dependent color, see the Adobe Acrobat Help.
Device-independent color
To eliminate, or at least minimize, color differences between devices, you can use a color
management system. Color management systems use a standard, device-independent color model,
such as CIELab. Images are associated with a profile, which contain information about the input
and/or output devices. Thus, if images are to be output on a specific device, it will be associated,
or “tagged”, with a profile for that device.
For more information on device-independent color, see the Adobe Acrobat Help.
10.4 Rendering intents
Rendering intents to remap colors
A color management system allows you to remap colors so that they best match the intended use.
‘Remapping’ means that colors from one output device’s color space are mapped to the color
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