Color Model - Konica Minolta magicolor 7300 Reference Manual

Color Model

A monitor and a color printer
have limited color ranges
compared to the range of
colors visible to the human
eye. In the illustration we
have identified the range of
colors that a monitor is able to
produce and the range of
colors a color laser printer
may produce. This range of
colors is called a gamut and
is device dependent. To print
colors on a color laser printer
identical to the design as it
looks on the monitor, we first
need to translate the profile of
the monitor to a standard
color space and then
translate this to a color laser
printer profile. The standard
color space most commonly
used for these translations is
CIE LAB. The CIE LAB color space is based on the human perception of
color. Looking closely at the CIE LAB color model, we notice that the gamuts
for both devices are different. This means that the monitor may produce
certain colors we cannot accurately print on a color laser printer. This is called
the out-of-gamut range. This phenomenon is solely caused by the physical
properties of such a device. Therefore, the translation module also needs to
correct this out-of-gamut range or translate as close as possible.
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