Apple Final Cut Pro 7 - Manual (Page 1408)

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 the Color Corrector filter
to create the effect of a red bicycle against a grayscale background.
To use the Limit Effect controls to isolate a specific color
1 With the Color Corrector filter already applied, use the Limit Effect controls to isolate the
reds of the bicycle, then move the Saturation slider all the way to the left.
Move the Saturation
slider to the left.
The reds of the bicycle
are desaturated, but the
background is left alone.
1408 Chapter 82 Color Correction Examples