Apple Final Cut Pro 5 - Manual (Page 1269)

482 Part II Project Interchange
Example: Using the Limit Effect Controls to Isolate
a Specific Color Against Grayscale
This example shows you how to use the Limit Effect controls of a color correction filter
to create the effect of a red bicycle against a grayscale background.
1 With the color correction filter already applied, use the Limit Effect controls to isolate
the reds of the bicycle, then move the Sat slider all the way to the left.
This example shows
how to adjust the
background to gray.
Move the Sat
slider to the left.
The reds of the bicycle
are desaturated, but
the background is left
alone.