Adjusting Image Quality Page 56
Selecting Tone Ranges
Across the top of the dialog box is a series of buttons that enable you to
specify the midtone range you want to edit in your image. You can select
all ranges or you can choose a specific midtone range.
Modifying Color Values
The color wheel in the dialog box is composed of the three primary colors,
red, green, and blue (RGB), and their complementary colors, cyan,
magenta, and yellow (CMY). To adjust a color, increase or decrease the
amount of its complementary color. For example, if you have an image
with too much green, you can reduce the green by increasing its
complementary color, magenta.
There are two ways to adjust the color values:
Color wheel Click and drag to move the white point to a different
color orientation on the wheel. The image’s color
balance shifts accordingly.
Color sliders Drag the color sliders back and forth between the
complementary colors.
The numeric values above the color wheel shift as you make changes.
Only active color ranges are affected by your changes.
all midtones
25%
50%
75%
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