Tutorials - The Art and Technique of Digital Color Correction - page 482

Fig. 12.17
Fig. 12.18
2. Use the standard color correction controls to lower the highlights,
gammas, and shadows outside of the selected window. You could
also lower the saturation or even open the Blur tab and blur the
image outside of the window. To see the image without the col-
ored circles, deselect the small box icon button to the left of the
eyedropper button under the viewer ( Figure 12.19 ).