Adobe Photoshop CC 2014 v.14.xx - Manual (Page 422)

Once
Background Swatch
Discontiguous
Contiguous
Find Edges
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Note:
Replaces the targeted color only in areas containing the color that you first click
Replaces only areas containing the current background color.
4. From the Limits menu, select one of the following:
Replaces the sampled color wherever it occurs under the pointer.
Replaces colors that are contiguous with the color immediately under the pointer
Replaces connected areas containing the sampled color while better preserving the sharpness of shape edges.
5. For Tolerance, choose a low percentage to replace colors very similar to the pixel you click, or raise the percentage to replace a broader
range of colors.
6. To produce a smooth edge in the corrected areas, select Anti-aliased.
7. Choose a foreground color to replace the unwanted color. (See Choose colors in the toolbox.)
8. Click the color you want to replace in the image.
9. Drag in the image to replace the targeted color.
If the range of replaced colors is too small, increase the Tolerance setting in the options bar.
Mixing colors selectively
Make selective color adjustments
Selective color correction is a technique used by high-end scanners and separation programs to change the amount of process colors in each of
the primary color components in an image. You can modify the amount of a process color in any primary color selectively—without affecting the
other primary colors. For example, you can use selective color correction to dramatically decrease the cyan in the green component of an image
while leaving the cyan in the blue component unaltered.
Even though Selective Color uses CMYK colors to correct an image, you can use it on RGB images.
1. Make sure that the composite channel is selected in the Channels panel. The Selective Color adjustment is available only when you’re
viewing the composite channel.
2. Do one of the following:
Click the Selective Color icon in the Adjustments panel.
Choose Layer > New Adjustment Layer > Selective Color. Click OK in the New Layer dialog box.
(CS5) Click a Selective Color preset in the Adjustments panel.
You can also choose Image > Adjustments > Selective Color. But keep in mind that this method makes direct adjustments to the
image layer and discards image information.
3. Do one of the following:
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