Adobe PHOTOSHOP 5.0 User Manual page 134

126 CHAPTER 6
Making Color and Tonal Adjustments
To colorize a grayscale image or create a monotone
effect:
If you are colorizing a grayscale image, choose
1
Image > Mode > RGB to convert the image to
RGB.
Open the Hue/Saturation dialog box, as
2
described in "Using color adjustment commands"
on page 105.
Select Colorize. The image is converted to the
3
hue of the current foreground color. The lightness
value of each pixel does not change.
Use the Hue slider to select a new color if
4
desired.
Use the Saturation and Lightness sliders to
5
adjust the saturation and lightness of the pixels.
Then click OK.
For a color illustration of the Colorize
option, see figure 6-7 on page 226.
Using the Replace Color command
The Replace Color command lets you create a
mask based on specific colors in the image to
adjust hue, saturation, and lightness values. The
mask is temporary and does not create a selection.
For a color illustration of replacing color,
see figure 6-8 on page 226.
To adjust and replace a color:
Choose Image > Adjust > Replace Color.
1
Choose from the following options:
2
Selection to display the mask in the preview box.
•
Masked areas are black and unmasked areas are
white. Partially masked areas (areas covered with a
semitransparent mask) appear as varying levels of
gray according to their opacity. For more infor-
mation, see "About masks" on page 249.
Image to display the image in the preview box.
•
This option is useful when you are working with a
magnified image or have limited screen space.
Click in the image or in the preview box to select
3
areas for the mask. Shift-click or use the
Eyedropper + button to add areas; Alt-click
(Windows), Option-click (Mac OS), or use the
Eyedropper - button to remove areas.
Color changed to mask
Adjust the tolerance of the mask by using the
4
slider or by entering a Fuzziness value. This option
controls the degree to which related colors are
included in the selection.