From: Brad Shur <mr_utamaro-AT-hotmail.com>
To: <puptcrit-AT-puptcrit.org>
Date: Sat, 27 Mar 2010 02:20:22 -0400
Subject: Re: [Puptcrit] mixing paint



You can get a decent purple if you start with the right biased primaries, like a Quinacridone red with an Ultramarine blue. You just can't do it with the same "primaries" red you'd use to get a bright orange or the blue you'd use to get a good green.

B. Shur




> Date: Sat, 27 Mar 2010 02:15:03 -0400
> From: hobeyone-AT-gmail.com
> To: puptcrit-AT-puptcrit.org
> Subject: Re: [Puptcrit] mixing paint
> 
> I think the idea that the primary colors can create any color works in
> terms of pure light , lets say with lighting gels.  But  pigments are
> not pure like light.  For instance just try getting a decent purple
> from mixing blue and red paint, its just not going to work.  You will
> do better by letting a blue transparent glaze dry and then glaze over
> it with a transparent red, yet still it isn't a satifactory purple.
> And some colors are transparent and others not.  Thalo red is
> transparent but acra red is not.  There are chemical reactions that
> interfer with the pigments also, but primary colors in light will make
> the all the colors.
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