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With a picture in the active image area, click the Color Variations button.
Click a thumbnail, such as Decrease Green, to change color or brightness in the shot.
Repeat the same selection to increase its effect, or make any other selection, such as Lighten, for a combined effect.
When the After image looks right, click OK.
Introduction
Perhaps it’s not that the colors in the picture are wrong, you’d just like to see them different. For example, an interior decorator might want to view a room in a different light or with the decor a different shade. Experiment with color variations, which can be more dramatic than just correcting the overall cast.
Tip: Adjust Midtones First
Of the selections Midtones, Shadows, Highlights, and Saturation, Midtones (values ranging between shadows and highlights) usually give you the most noticeable results. To change the magnitude of an effect, drag the Adjust Color Intensity slider before you apply it.