Sams Teach Yourself Adobe Photoshop CS3 in 24 Hours

Chapter 4. Specifying Color Modes and Color Models

<feature><title>What You’ll Learn in This Hour:</title>

• Color Models

• From Models to Modes

• Color Bit Depth and Why It Matters

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Color is all around us, a blessing few of us take time to think about or recognize. It is as common as the air we breathe, but when you become aware of its presence, you become aware of the minute variations that exist in every color. Notice the shades of green on the tree outside your window. Notice how those greens differ from the green of the grass. Watch the play of light and shadow. It becomes fascinating.

In this hour, we are going to investigate the different properties of color—both in Photoshop and in life. Some of the information at the beginning might seem ...