Apple Final Cut Pro 5 - Manual (Page 1268)

Chapter 20 Color Correcting Clips 481
II
If you need to readjust the range of hues between these handles, drag in the color
gradient and move the range of hues left or right in relation to the Color Range handles.
Now that you’ve selected the main key color range, you can make adjustments to the
luminance to increase the amount of the picture that is affected by the key.
5 Move the top handles in the Luma control to select a primary luminance range to
affect, then adjust the bottom handles to affect the tolerance.
6 Finally, make similar adjustments to the Sat control to further increase the range. You
can even include the edges of the yellow shirt.
Note: As you work, changes made to one control may change the effectiveness of the
others. For example, a different saturation range may work better if adjustments are
also made to the Luma control.
Widen the range
of luminance.
Key color range
is increased.
Widen the range of saturation.
Key color range is
further increased.