Adobe Photoshop CS4 - Manual (Page 215)

208 USING PHOTOSHOP CS4
Retouching and transforming
Last updated 1/10/2010
Replace color in image areas
The Color Replacement tool simplifies replacing specific colors in your image. You can paint over a targeted color with
a corrective color. The Color Replacement tool doesn’t work in images in Bitmap, Indexed, or Multichannel color
modes.
1 Select the Color Replacement tool . (If the tool isn’t visible, access it by holding down the Brush tool.)
2 Choose a brush tip in the options bar. Generally, you should keep the blending mode set to Color.
3 For the Sampling option, choose one of the following:
Continuous Samples colors continuously as you drag.
Once Replaces the targeted color only in areas containing the color that you first click
Background Swatch Replaces only areas containing the current background color.
4 For the Limits option, select one of the following:
Discontiguous Replaces the sampled color wherever it occurs under the pointer.
Contiguous Replaces colors that are contiguous with the color immediately under the pointer
Find Edges Replaces connected areas containing the sampled color while better preserving the sharpness of
shape edges.
5 For tolerance, enter a percentage value (ranging from 0 to 255) or drag the slider. 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 define a smooth edge in the corrected areas, select Anti-aliased.
7 Choose a foreground color to replace the unwanted color.
8 Click the color you want to replace in the image.
9 Drag in the image to replace the targeted color.
More Help topics
“ List of blending modes ” on page 351
Smudge image areas
The Smudge tool simulates the effect you see when you drag a finger through wet paint. The tool picks up color where
the stroke begins and pushes it in the direction you drag.
1 Select the Smudge tool .
2 Choose a brush tip and options for the blending mode in the options bar.
3 Select Sample All Layers in the options bar to smudge using color data from all visible layers. If this is deselected,
the Smudge tool uses colors from only the active layer.
4 Select Finger Painting in the options bar to smudge using the foreground color at the beginning of each stroke. If
this is deselected, the Smudge tool uses the color under the pointer at the beginning of each stroke.
5 Drag in the image to smudge the pixels.
Press Alt (Windows) or Option (Mac OS) as you drag with the Smudge tool to use the Finger Painting option.