Imgur with notes (first image wouldn't upload, had to be seperate):
http://imgur.com/7tGWmur
http://imgur.com/a/04VfV#0

There's also pic related (Section 11, "Painting with Color"), from: http://ctrlpaint.com/library/

Imaginefx:
http://www.imaginefx.com/02287754332297800669/
http://www.imaginefx.com/02287754329488438333/henning-s-101-colour.html

Another site on color theory:
http://www.worqx.com/color/index.htm

All of James Gurney's posts about color:
http://gurneyjourney.blogspot.com/search/label/Color
(Start at the beginning and work your way forward with those. Also look into value).