Some good posts on some good blogs

 Here are some extremely helpful - short and excellent  - blog posts on the use of color:

http://stapletonkearns.blogspot.com/2011/02/licking-and-divisionist-color.html

http://artandinfluence.blogspot.com/2011/01/three-sources-of-light-in-outdoor.html


http://underpaintings.blogspot.com/2011/02/words-of-wisdom-burnet-loomis-and-use.html


http://underpaintings.blogspot.com/2011/02/michael-john-angel-on-youtube.html

Richard Robinson's colour course/DVD is also very helpful.