To convert an alpha channel to a spot channel:

1 Do one of the following:

• Double-click the alpha channel thumbnail in the Channels palette.

• Select the alpha channel in the Channels palette, and choose Channel Options from the palette menu.

2 If needed, rename the channel.

3 Select Spot Color.

4 Click the color box, choose a color in the Color Picker dialog box, and click OK. (See "Using the Adobe Color Picker" on page 261.)

5 Click OK. The areas of the channel containing grayscale values are converted to spot color.

6 Choose Image > Adjustments > Invert to apply the color to the selected area of the channel.

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