🚀 go-pugleaf

>Yeah it's a pain. Basically there are some colours that you can print
>(mainly cyans and light greens) but you can't get the exact same colour
>in rgb space (because rgb is just fooling our eyes into thinking it's
>seeing a particular wavelength of light).

>Photoshop 3.0 has the best colour space conversion I've seen (much
>better than Corel) but it's still not perfect but at least the pantone
>colours look about right on the screen.
>-- 
>Jon Allitt      ph  +64 4 801 9555

We have a Pantone Swatch book.  I enter the CMYK values printed on the 
swatch into Photoshop's color picker and then note the RGB values that were 
generated.  This gets you in the ballpark.  After that, I fiddle with values 
as is required by the application that I am using to generate the image.  For 
instance, if it is the surface of LightWave object, I enter the RGB values and 
do a final adjustment only after the animation lighting and basic motions are 
finished.  Since the rendering is "3D" and the object is described by a lot of 
"variations" on the specified RGB color there can be no exact match.  I 
make adjustments to RGB (paying careful attention not to change the overall 
proportion between the colors too much), luminance and diffuse until the 
overall color is similar to the swatch in the Pantone book (to bring the 
process back full circle).  Lot of judgement involved, but it does seem to 
work. 

As everybody here has agreed, the colors don't match.  Part of the 
problem is the difference between CMYK and RGB color space but I think a 
bigger problem is that a monitor is radiating color while printed material is 
reflecting.  There are different brightnesses and contrasts working against 
you.  
Walter (Jay) Turberville         |wturber@primenet.com  wturber@aol.com
Studio 522 Productions           |http://www.primenet.com/~wturber
http://www.studio522.com         |ftp.primenet.com/users/w/wturber