http://www.handprint.com/HP/WCL/color14.html
a long article, but explains things better than i can
http://www.wetcanvas.com/ArtSchool/Color/ColorMixing_Lee/index.html
http://schoolofcolour.com/index.php?option=com_content&view=category&id=86&Itemid=606&lang=en
Cool Primary Palette
Alizarin crimson
Taylor blue
Lemon Yellow
Warm Primary Palette
Ultramarine blue
Spectrum yellow
Spectrum red
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Windsor Newton Permanent White - Gouache
Squeeze it out
Let it dry to remove sizing
then wet and apply
Zinc white for mixing - permanent white for highlights
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dried up tubes
cut them open
put in a small jar with glycerin
let sit several days
mix with distilled water
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Peter recommends NW Jet Black Gouache - a drop of gum arabic and distilled water