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Hexadecimal color is the color mode used on the Web. It’s a very efficient method, using only six digits to identify a single color out of the 16.8 million available on modern computer monitors. This guide will help you understand what “hexadecimal” means, and how to predict what particular color a given six-digit figure (like #7700ff) might create (like violet).

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CMYK stands for Cyan-Magenta-Yellow and Key color (black). These are the primary colors for the translucent ink used in offset lithography (printing). When you subtract all four CMYK colors, you get the white of the paper (no color). That’s why CMYK is called “subtractive color”. After the jump, learn more!

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When working with Dreamweaver tutorials here, elsewhere on the Web, or in books, it pays to memorize the main components of the Dreamweaver CS4 workspace. After the jump, I describe the components I will refer to the most in my tutorials.

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RGB stands for Red-Green-Blue, which are the primary colors of light. RGB is the color mode used on computer monitors because they shine light into your eyes. When you add all three RGB primary colors together, you get pure white light. That’s why RGB is called “additive color”. After the jump, learn more!

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When working with Photoshop tutorials here, elsewhere on the Web, or in books, it pays to memorize the main components of the Photoshop CS4 workspace. After the jump, I describe the components I will refer to the most in my tutorials.

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