The
Replace Color command replaces a specific color in an image. You
can set the hue, saturation, and lightness of the color.
Choose Enhance > Adjust Color >
Replace Color.
Select a display option under the image thumbnail:
Selection
Displays the mask, which looks like a black and white version
of the image, in the preview box.
Image
Displays the image in the preview box. This option is useful
when you are working with a magnified image or have limited screen
space.
Click the Eyedropper button, and then click the color
you want to change in the image or in the preview box. Use the eyedropper
+ tool to add colors, or use the eyedropper - tool to remove colors
to keep them from changing.
Drag the Fuzziness slider to control the degree to which
related colors are included in the selection.
Do one of the following to specify a new color:
Drag the Hue, Saturation, and Lightness
sliders (or enter values in the text boxes) Hue and Saturation are
available only in color mode or on color layers.
Click the Results box and specify a new color in
the Color Picker, then click OK.
To cancel your changes and start over, hold down Option,
and click Reset.