Biology Pages
Kimball's Biology Pages: Photosynthesis Role of Light
This site describes cellular components involved in light reaction and describes steps involved in photosynthesis.
York University
York University: Color and Color Vision
York University provides an index page to several other pages on the topic of color and color vision. The pages are part of an online "book." Many graphics and explanations.
ArtLex
Art Lex: Color
An in-depth instructional page on color that defines a variety of terms related to color.
Other
Southeastern Louisiana University: Photosynthesis
Excellent site outlines various aspects of photosynthesis, including light properties, pigments, and process. Graphics include absorption spectra for pigments and action spectrum of photosynthesis.
BiologyWise
Biology Wise: Green Pigment in Plants
Explains what chlorophyll is, its function, and its chemical structure.
BiologyWise
Biology Wise: Chlorophyll a vs. B
Describes the two types of chlorophyll, how they differ, and how they both take part in photosynthesis.
Mocomi & Anibrain Digital Technologies
Mocomi: What Is Pigment?
Discusses the properties of pigment and the colors of blue, red, green, and yellow.