Oce ColorWave 650, User Manual

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'Absolute colorimetric'
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Absolute colorimetric is similar to relative colorimetric, but uses a different method
to handle the white point.
Absolute and relative colorimetric both keep gamut colors and clip those out of
gamut, but absolute colorimetric also keeps the white point.
Absolute colorimetric is advised for "proofing" applications, that require a good
color match, but also emulation of paper white. As a result of that, white areas can
become yellowish, because the printer tries to emulate the whitepoint of the input
profile.
This setting provides the highest accuracy in rendering RGB colors into CMYK
colors, including rendering the source's white.
Note:
You can see the minor level of blue of the monitor background as a bluish
white in the lightest tones of the printed output. A minor yellow tone can
occur in the white tones of a PDF/TIFF original or an HP-GL type docu-
ment.
Chapter 8 - Print quality and Print productivity 290
'Absolute colorimetric'