1 Select the object with the Pick tool.
2 Click Effects, Color Adjustment, Sample/Target Balance.
3 Choose a color channel from the Channel list box.
4 Do one of the following:
• Click the Low-Point Eyedropper tool and choose a point of dark color in the image.
• Click the Mid-Point Eyedropper tool and choose a point of medium color in the image.
• Click the High-Point Eyedropper tool and choose a point of highlighted color in the image.
5 Double-click the color appearing in the Target column to access the specified color range.
6 In the Select Color dialog box, choose a target color, and click OK.
All colors at or below the sample color's level of darkness are shifted in the direction of the target color.
7 Enable the Clip Automatically check box to set the range of the histogram display and to ensure that all spikes in the histogram fit on the chart.
• The color channels that appear in the Channels list box depend on the image's color mode. There is one composite channel and one channel for each color component.
• Type a value in the Clipping box to determine the percentage of brightness values that are ignored when identifying the light and dark colors in the histogram (when the Clip Automatically check box is disabled).
• Enable the Always Adjust All Channels check box to adjust all color channels — even when you are viewing an individual color channel.
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