Color Printing

Color Printing Tutorial.
A very informative site/tutorial on understanding graphic file formats, color models (RGB vs. CMYK) and resolution.
(http://www.sketchpad.net/basics1.htm)

The Color Story.
An excellent explanation about the color printing process. Includes info on how printers use the 4 process colors (cyan, magenta, yellow and black) to produce an entire spectrum of colors. Explains the relationship between RGB and CMYK colors, additive and subtractive colors, and their relationship to the printing process.
http://www.graphicarts.org/nalc/articles/color.htm

Process Color and the Computer: Resolving the Color Matching Dilemma.
A simple guide to understand principles of color selection, the unreliability of colors on computer screens, and selecting colors as spot or 4-color process.
http://www.trumatch.com/articles/10things.htm

Sampling the Color Matching Spectrums.
Shows why color on the press doesn't always match the swatches of Pantone color. Explains the weaknesses of 4 color process printing and the inadequacies of the Pantone Matching System.
http://www.trumatch.com/articles/truwhite.htm