Other
Well styled.com: Webdesigner Tools: Color Scheme Generator
A totally cool concept! Choose your base color, your scheme (monochromatic, etc.) and the computer will show you what other colors go with it! There are even settings for various levels of color-blindness. A really cool art tool!!
Science Struck
Science Struck: Color Spectrum Chart With Frequencies and Wavelengths
Read about the visible light spectrum and learn the frequencies and wavelengths for each of the primary and secondary colors.
Other
Watercolor painting.com: Color Theory
A great introduction to color theory with colorful illustrations and examples.
Quia
Quia: Color Theory
Four activities quizzing vocabulary terms about the usage of color in art. Matching, concentration, flashcards, and a word search are available. Teachers can use these to supplement their lessons, or to help students review for a test.
Physics Classroom
The Physics Classroom: Color Addition
This tutorial on the addition of color to light discusses the primary, complimentary, and secondary colors of light.
ArtLex
Art Lex: Color
An in-depth instructional page on color that defines a variety of terms related to color.
University Corporation for Atmospheric Research
Ucar: About Rainbows
This site from the University Corporation of Atmospheric Research provides an illustrated article about the phenomenon of rainbows.
ClassFlow
Class Flow: Color Theory
[Free Registration/Login Required] This flipchart introduces students to the concept of primary, secondary and tertiary colors. The lesson concludes with an activity in which students create their own color wheel from mixing colors and...
University of Colorado
University of Colorado: Physics 2000: Temperature and Absolute Zero
A thorough, multipage discussion of color and color television sets that explains how an image is formed on the television using red, green, and blue light. Understandable discussion, excellent graphics, and many interactive Java applets.
Curated OER
The Colour Wheel
A review of terms associated with the study of color as an element of art: spectrum, hue, color wheel, primary colors, secondary colors, tertiary colors, complementary colors, and analogous colors.
Science Struck
Science Struck: Visible Color Spectrum Wheel
A brief explanation of the visible color wheel.
Curated OER
Educational Technology Clearinghouse: Maps Etc: North America, 1885
A map from 1885 of North America and Central America showing the major relief features of the region. The map shows the primary highland known as the Pacific Highland, with the Sierra Nevada and Rocky Mountains, the secondary highlands...