Fix Faulty Green Screen Footage Next-Level of Green Screen Removal

The Chroma Key effect has built-in spill suppression which is applied automatically, but you can tweak and adjust it for the perfect key.

✓ Create a new Composite. Import your greenscreen clip in the Project Media window. Drag your clip to the timeline.

✓ In the Effects window, open the Keying folder. Drag Chroma Key and drop it on the clip on the timeline.

✓ In the Composite window, click the triangle next to Chroma Key. Then click the triangle next to Spill Suppression, then the triangle next to Spill Replacement.

✓ Under Spill Suppression, the Amount automatically starts at 100% suppression of the key color. It’s best to apply as little as possible yet still fully suppress the color, so lower it as needed.

✓ Adjust the Hue Range to widen or tighten the range of color Spill Suppression affects.

✓ Adjust the Balance and Hue Balance as needed.

✓ Under Spill Replacement, choose the color which replaces the green spill. The default color is neutral gray, but you can change it to the color you prefer. Adjust the Luminance Change value to make the color lighter or darker.

If the built-in Spill Suppressor in the Chroma Key effect doesn’t fully suppress the spill, you can add additional spill suppression with the separate Spill Removal effect.

✓ In the Effects window, in the Keying folder, click the triangle next to Matte Enhancement. Click Spill Removal and drag it to the clip on the timeline.

✓ The Screen Color is set to Green by default, but if you used a different color screen, like blue, change it to the correct color.

✓ The Strength value starts at 1.00, or maximum, but lower it as much as possible while still maintaining full suppression.

✓ At default, the Suppression Type is Extended, but toggle between Extended and Standard to see which works best.

The Matte Cleaner has three controls, and you should generally use them in this order.

✓ Go back to the Matte Enhancement folder. Drag Matte Cleaner and drop it on the clip.

✓ Smooth adjusts the sharpness of the matte, smoothing out blocky edges.

✓ Feather adds a blur to the edge of the matte, which can also help smooth out rough edges. But it also makes the edge partially transparent, and unlike Smooth, it will extend outward beyond the edge of the matter, bringing some of the background you keyed out back in.

✓ Choke adjusts the size of the matte, expanding or contracting it.

✓ Sometimes it helps to see only the matte and not your image. Click the View Matte checkbox, and you see your matte in black and white. Black represents transparency, while white represents opacity. Blocky edges are easy to see, and the results of smoothing and blurring are easier to see as well. Gray areas in between will be partially transparent. Generally speaking, for a good, clean matte, you want smooth edge lines and as little gray as possible.