[Chimera-users] RGB->CMYK color conversion

Thomas Goddard goddard at cgl.ucsf.edu
Wed Nov 2 09:20:31 PST 2005

Hi James,

  The RGB and CMYK color spaces each contain colors that the other one
cannot represent.  But I do not think that is your problem.  Computer
monitors and printers and projectors vary wildly in the colors they produce.
The easiest way to diagnose what device is contributing most to the color
mismatch is to compare your Chimera image printed from two color printers,
and on two or more different monitors.

  If the problem really is RGB versus CMYK color representations you might
look at the figure in the middle of the following page:


It shows the boundary in color space of the colors that can be
reproduced by an RGB monitor and in CMYK printing.  It suggests that
the RGB monitor saturated blues and greens are outside the range of
the CMYK gamut.


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