Re: Color Mixing (Pigment) question

[Bernard Cleyet <anngeorg@PACBELL.NET>]

this is the argument of the pointillists and impressionists.  [pure
colour splotches instead of mixing on the pallet mixed by the eye, a
more brilliant result]

bc

sampere wrote:

> Michael Edmiston wrote:
>
>
>
> > .....
> >
> > If, for example, the green had considerable reflection down
> > to about 470, and the blue had considerable reflection up to
> > about 500, then the overlap region would indeed appear cyan
> > to the average person.
> >
> > However, a blue pigment that extends to 500 is not something I
> > would call "pure blue," and a green pigment that extends to 470
> > is not something I would call "pure green."
> >
> > I would indeed answer the question as "black" and I assume
> > (I hope) the answer key is a misprint.
>
> Why wouldn't the blue pigment particles reflect blue light, the green
> particles reflect green, then your brain interprets this as cyan?  We're
> not talking about overlapping filters here, we're talking about a fine,
> uniform layer of particles that reflect light.
>
> Sam