TAILIEUCHUNG - Tài liệu Photoshop cs5 by Dayley part 57

Thay đổi cân bằng màu sắc Các công cụ điều chỉnh cân bằng màu cho phép bạn điều chỉnh sự cân bằng giữa mỗi màu trong các kênh màu với màu sắc bổ sung của nó. Thay đổi điều chỉnh cân bằng màu sắc tổng thể của các kênh màu. Điều này cho phép bạn nhanh chóng khắc phục một màu duy nhất đó là trên diễn ra, điều chỉnh tất cả các màu trong hình ảnh. | Part IV Enhancing Correcting and Retouching On the Web Site The image shown in Figure can be found on this book s Web site as Figure . You can open it in Photoshop and try adjusting the exposure. Changing the color balance The Color Balance Adjustment tool allows you to adjust the balance between each color in the color channels with its complementary color. Changing the color balance adjusts the overall hue of the color channel. This allows you to quickly fix a single color that is out of place or adjust all the colors in the image. Tip The Color Balance tool is extremely useful when you are trying to add color to a black and white image. You can select specific areas of the image and adjust the color balance to those areas to create color tones. Tone A really nice feature of the Color Balance Adjustment tool shown in the Adjustments panel of Figure is the ability to specify whether you want to adjust the color balance for the pixels in the highlights midtones or shadows range. Separating the color balance into tonal ranges allows you to focus in on one specific tonal range fixing the color for that range before moving on. Color Sliders To adjust the color balance simply drag the color sliders to the left or right to adjust the balance between each color and its complementary color. Adjusting the balance shifts the hue of the color for example from red to cyan or blue to yellow. Preserve Luminosity You can specify whether to preserve the luminosity which typically is the best idea. Preserving the luminosity forces the color balance adjustments to change so that the luminosity stays the same. This keeps the color balance adjustments from washing out the image. The following example demonstrates how to use the Color Balance Adjustment tool to fix the colors in an image that has been overloaded with a single tone 1. Open the image in Photoshop as shown in Figure . The orange leaves of the background have really added a yellow hue to the entire .

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