QTR-Quadtone RIP

Richard,

Don't do 3D, plot 3 lines R,G,B.  I'd think neutral they should
coincide or parallel.  If they
cross back and forth you probably have color variations.  It's mainly
a matter of trying
things and see if any help you decide what you like.

Roy

On Mon, May 18, 2009 at 10:59 AM, Richard Vanek <yahoo@...> wrote:
> Tom
>
> I though so, but is there a way to be able to evaluate color shift based
> on RGB densities like it is possible by a and b in LAB?
> I can put them in 3D but that would be rather difficult to compare I
> guess and to see if it is going warm or cold ;-)
>
> Tom Moore wrote:
>>> ...
>>> Do you know how can I convert RGB densities to Lab, so I can compare
>>> easier different papers in 2D space?
>>>
>> There is no way to convert RGB densities (e.g. from the Xrite-810) to LAB.
>>
>
>
> --
> richard vanek
> www.richard-vanek.eu
>
>
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