Matisse: Life and Painting

I found this web-page of Matisse. It is very good, well documented.
http://www.henri-matisse.net/index.html
“It is not enough to place colors, however beautiful, one beside the other; colors must also react on one another. Otherwise, you have cacophony.”
Matisse

Pigments Through the Ages

Hi all:
Here’s a wonderful website which has a lot of information on colour origins. It’s called Pigments Through the Ages in case the link does not work.
http://www.webexhibits.org/pigments/
Susan