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391Final Cut Pro User Guide
9. To adjust the color mask edges, drag the Softness slider.
Tip: To view the mask alpha channel while adjusting the Softness slider, hold down
the Command key.
10. Do one of the following:
• View the mask’s alpha channel: Click the View Masks pop-up menu and choose
Black and White.
The mask’s alpha channel appears in the viewer. White indicates fully opaque mask
areas, black indicates areas outside the mask, and levels of gray indicate transparent
mask areas.
• View the colors inside the mask: Click the View Masks pop-up menu and choose
Color.
The colors inside the mask appear in the viewer. Gray indicates areas outside the
mask.
Whether you’re viewing the mask alpha channel or the colors inside the mask, you can
quickly return to the adjusted image by clicking View Masks.