G
LOSSARY
79
color channel
A single-color image that can be edited separately from the other color channels in a color
space; for example, the red channel of an RGB image.
color gamut
See
gamut.
color management system (CMS)
System used to match color across different input, display, and output devices.
color rendering dictionary
See
CRD (Color Rendering Dictionary).
color separation
The process of separating a color image into the color components for printing: cyan,
magenta, yellow, and black. Also refers to the four sheets of film that result from the process
of separating a color image.
color space
A model for representing color in terms of measurable values, such as the amount of red,
green, and blue in an image. RGB and CMYK color spaces correspond to color devices
(monitors and printers, respectively). Other color spaces, such as CIE Lab, are based on
mathematical models and are device-independent (that is, not based on the color response of
a particular device).
See
gamut.
colorant
An ink, dye, toner, paint, or other pigment that modifies the color of media to which it
is applied.
ColorWise
See
ColorWise color management.
ColorWise color management
An ICC-open color management solution, which is an easy-to-use system that addresses the
needs of both casual and experienced color management users.
component
In variable data printing, an element such as text, a graphic, or a photograph that is printed
on a page.
composite printer
Any output device that can print directly in color without first creating color separations.
A composite print can be used as an early proof of an offset print job.
