Use the Green Screen Keyer effect in Final Cut Pro for Mac - Apple Support

Paint controls in Final Cut Pro for Mac - Apple Support

Use the Colors window in Final Cut Pro for Mac - Apple Support

Add a color mask to a video effect in Final Cut Pro for Mac - Apple Support

Edit color masks in Final Cut Pro for Mac - Apple Support

Change role colors or names in Final Cut Pro for Mac - Apple Support

Adjust audio effects in Final Cut Pro for Mac - Apple Support

Use the Green Screen Keyer effect in Final Cut Pro for Mac - Apple Support

Use overlays in the viewer in Final Cut Pro for Mac - Apple Support

Save video effects presets in Final Cut Pro for Mac - Apple Support

Finalize a key in Final Cut Pro for Mac - Apple Support (KE)

Keyer Missing in Inspector - Apple Community

Adjust transitions in the inspector and viewer in Final Cut Pro for Mac - Apple Support