To quickly remove color
in a clip, apply the Black & White effect from the Image Control
bin of the Video Effects bin.To restrict your adjustments to a specific tonal range, choose Shadows, Midtones, or Highlights from the Tonal Range menu. Choosing Master applies adjustments to the entire tonal range of the image. If necessary, use the Tonal Range Definition controls to define the different tonal ranges. You can choose Tonal Range from the Output menu to view a tri‑tone preview of the tonal ranges in the Program Monitor.
To restrict your adjustments to a color or range of colors, click the triangle to expand the Secondary Color Correction controls. Define the color or color range by using the Eyedropper tool or slider controls, or enter numeric values. See also Specify a color or range of colors to adjust.