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Monday, December 31st, 2007L E S S O N 5 What You ll Do PHOTOSHOP 4-20 Incorporating Color Techniques Chapter 4 Colorizing Options Grayscale images can contain up to 256 shades of gray, assigning a brightness value from 0 (black) to 255 (white) to each pixel. Since the earliest days of photography, people have been tinting grayscale images with color to create a certain mood or emphasize an image in a way that purely realistic colors could not. To capture this effect in Photoshop, you convert an image to the Grayscale mode, then choose the color mode you want to work in before you continue. When you apply a color to a grayscale image, each pixel becomes a shade of that particular color instead of gray. Converting Grayscale and Color Modes When you convert a color image to grayscale, the light and dark values called the luminosity remain, while the color information is deleted. When you change from grayscale to a color mode, the foreground and background colors on the toolbox change from black and white to the previously selected colors. In this lesson, you ll convert an image to grayscale, change the color mode, then colorize a grayscale image using the Hue/Saturation dialog box. . ADD COLOR TO A GRAYSCALE IMAGE
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