South Carolina Educational Television
Etv: Nasa Online: Light: Scattering Light
An introduction to the concept of the visible light spectrum provided in an animated format.
Science Struck
Science Struck: Wavelength of Visible Light Spectrum
Explains where visible light fits into the electromagnetic spectrum and the wavelengths for the different colors we see.
Florida State University
Florida State University: Molecular Expressions: Primary Subtractive Colors
Manipulate "pigmented" color discs to see how mixing subtractive colors affect the overall color.