Colour and Vision Theory in Art

Color Theory in Science and Art: Ostwald and the Bauhaus (Philip Ball and Mario Ruben).
http://iwrwww1.fzk.de/ruben/pdf/color.pdf

The Theory of Colour in Science and Art (Terry Boyce).
http://www.physics.hku.hk/~tboyce/ap/topics/colour/colour.html

Visual Perception and Aesthetics (Steven Ståhlberg).
http://www.androidblues.com/visualperception.html

Color Vision and Art (Webexhibits).
http://webexhibits.org/colorart/

Color Printing in the Nineteenth Century.An Exhibition at the Hugh M. Morris Library University of Delaware Library, Newark, Delaware, August 27 - December 19, 1996.
http://www.lib.udel.edu/ud/spec/exhibits/color/

Interactive Color: Macintosh application used to teach about the use of color in digital media.
ftp://ftp.sdsc.edu/pub/sdsc/graphics/interactive_color/
ftp://ftp.sdsc.edu/pub/sdsc/graphics/interactive_color/interactive_color.sit

Exploring the Color Image (Omens, W): Online book on colour in photography, after Raplph Evans' book Color as Seen and Photographed)
http://www.kodak.com/US/plugins/acrobat/en/motion/education/introduction.pdf
http://www.kodak.com/US/plugins/acrobat/en/motion/education/color_light.pdf
http://www.kodak.com/US/plugins/acrobat/en/motion/education/character_of_color.pdf
http://www.kodak.com/US/plugins/acrobat/en/motion/education/kodak_color_films.pdf
http://www.kodak.com/US/plugins/acrobat/en/motion/education/problems_in_color_photo.pdf
http://www.kodak.com/US/plugins/acrobat/en/motion/education/perception_reading.pdf

Colour Harmony Tools

Color Wheel Pro - allows you to compare color schemes generated using the conventional artists colour wheel and the RGBCMY wheel.  The colour schemes can be previewed as web pages, packaging or logos.

http://www.color-wheel-pro.com/index.html  (free trial)

Color Harmony Chooser. (gives the two other triad colours on a 12-colour wheel)
http://www.interlacken.com/rfp2000/colorpik.htm (online)

Palette Master (Nebulus designs).
http://www.nebulus.org/freebies/coders/palette/ (online)

There are many more of these devices available both online and for download, but most use only the conventional artists' colour wheel, and so are essentially useless.

Colour Symbolism

Color Symbolism Chart by Culture (Jennifer Kyrnin)
http://webdesign.about.com/od/color/a/bl_colorculture.htm

Color Communication & Symbolism.
http://www.mariaclaudiacortes.com/colors/colors.swf   (animated/interactive)

Paints and Pigments

Paintmaking.com (Tony Johansen): Large site on pigments and their history.
http://www.paintmaking.com/pigments.htm

Artists' Palettes and Colour Mixing (ColorAcademy)
http://www.coloracademy.co.uk/ColorAcademy%202006/palettesandmixing/homepage/home.htm

Pigments Through the Ages (Webexhibits).
http://webexhibits.org/pigments/

Burnet, John. Practical Hints on Colour in Painting.
http://www.internet.is/b22/books/Burnet.zip

Parkhurst, Daniel Burleigh. The Painter in Oil.
http://www.internet.is/b22/books/pio.zip