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Brushing Away the Red
To demonstrate how the Color Replacement tool eliminates red eye, I’m using a snapshot of my little son, Nicholas, shown in Figure 32-1. Even in a grayscale image, the red eye is pretty obvious.
Figure 32-1: My little guy’s eyes are distinctly luminous.
Open an image and give these steps a try:
Select the Background color square in the Toolbox if it isn’t already active.
Select the Zoom tool from the Toolbox.
Zoom in on an eye containing the red eye.In Figure 32-2, I’ve zoomed in on the left eye.
Figure 32-2: Zoom in so that you can see what you’re doing.
Select the Eyedropper tool.
On the Options bar, choose the 3 by 3 Average setting from the Sample drop-down list.Unless you want to replace a single color, the 3 by 3 Average or 5 by 5 Average settings work best for this purpose.
Sample the red color you want to replace.
Click the Foreground color square in the Toolbox to open the Color Picker, as shown in Figure 32-3.
Figure 32-3: Use the Color Picker to select black as the replacement color.
Select black as the replacement color using the Color Picker or Swatches palette.
Click OK to close the Color Picker.
Select the Color Replacement tool from the Toolbox.
Use the Options bar to select the tool’s settings.
Choose Color using the Mode drop-down list.
Choose Background Swatch from the Sampling drop-down list. This setting uses the Background color that you selected using the Eyedropper tool in Step 6.
Use the Limits drop-down list to select Contiguous. This setting paints the replacement color only to neighboring pixels.
Set the Tolerance to 10%. This setting limits the range of colors that are replaced.
Check Antialiased. This option blends the edges of the painted pupil with the iris.
Open the Brush Preset picker and select a small, slightly soft brush.For this example, I’m using a brush set at a 5 pixel diameter and 90% Hardness.
Stroke on the pupil to replace the red eye.Don’t worry if you slip a little and the mouse cursor slides out to the iris area. Because the Tolerance setting is so low, the iris color isn’t replaced.Figure 32-4 shows the finished results. My son’s eyes look just the way they should.
Figure 32-4: The Color Replacement tool takes the red out in no time.
