Adobe 13101332 - Photoshop - Mac User Manual page 130

Adobe Photoshop Help
Using Help | Contents
control over an image's tonal quality. For more information, see
dialog box (Photoshop)" on page
(Photoshop) You can assign target values to the highlight and shadow pixels using
•
either the Levels or Curves dialog box. This can be a useful method for images intended
for printing on a press. For more information, see
and shadows (Photoshop)" on page
4. Adjust the color balance.
After correcting the tonal range, you can adjust the image's color balance to remove
unwanted color casts or to correct oversaturated or undersaturated colors. Examine your
image with reference to the color wheel to determine which color adjustments you need
to make. (See "About the color wheel" on page
color adjustment methods:
(Photoshop) The Auto Color command automatically corrects the color balance in an
•
image. For more information, see
page 151.
(Photoshop) The Color Balance command changes the overall mixture of colors in an
•
image. For more information, see
page 146.
The Hue/Saturation command adjusts the hue, saturation, and lightness values of the
•
entire image or of individual color components. (See
command" on page
(Photoshop) The Replace Color command replaces specified colors in an image with
•
new color values. See
(Photoshop) The Selective Color command is a high-end color-correction method that
•
adjusts the amount of process colors in individual color components. For more infor-
mation, see "Using the Selective Color command (Photoshop)" on page
The Levels dialog box lets you adjust color balance by setting the pixel distribution for
•
individual color channels. In Photoshop, you can also use the Curves dialog box to
make these adjustments. For more information, see
(Photoshop)" on page 139
(Photoshop) The technique of blending colors from different channels can also produce
•
color adjustments. For more information, see
page 271.
(Photoshop) To best preserve the original detail in your image as you make color
adjustments, convert the image to 16 bits per channel. (See
depths" on page 93.) When you finish making color adjustments, convert it back to an
8-bit-per-channel image.
5. Make other special color adjustments.
Once you have corrected the overall color balance of your image, you can make optional
adjustments to enhance colors or produce special effects. (See
effects to images" on page
Using Help | Contents
| Index
139.
141.
"Using the Auto Color command (Photoshop)" on
"Using the Color Balance command (Photoshop)" on
147.)
"Using the Replace Color command (Photoshop)" on page
and "Using the Curves dialog box (Photoshop)" on page
152.)
| Index
Making Color and Tonal Adjustments
"Using the Curves
"Using target values to set highlights
146.) You can choose from the following
"Using the Hue/Saturation
"Using Levels to adjust color
"Mixing color channels (Photoshop)" on
"Converting between bit
"Applying special color
Back 130
149.
149.
139.
Back 130