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Keylight in After Effects

Home » Design » Design Tutorials » After Effects Tutorial » Keylight in After Effects

Keylight in After Effects

Introduction to Keylight in After Effects

After Effect is video editing software which is widely used by video editing professionals for their highly professional work. We have different types of features available in After Effect software which helps in creating unique graphics designing. Keylight is one of its good features which we can define as a method by which you can remove green background from any video footage and replace it with any background by setting parameters of Keylight. Here in this article we will understand key light and analyze its different parameters for our better understanding of this feature of After Effect software.

How to Use Keylight in After Effects?

Before starting our discussion let us have a look at the user interface of this software so that we can easily understand the technical terms of this software throughout this article. At the top of the working screen we have two ribbons first is Menu bar and second is Toolbar which is used for management and designing of different type of things in this software, we have Project Panel at the left side of working screen and next to Project Panel we have Effect Control panel, at the center of the screen we have Composition window which shows you the current composition of any project work, at the right side of the working screen we have some parameters such as Effects & Presets tab, Preview tab, Align tab, etc, at the bottom end we have two sections that are Layer section which shows a number of layer of any composition and Timeline section which have all handling points for animating any project in After Effect.

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Keylight in After Effects - 1

Step 1: First of all, let us take green background footage or a clip of any footage from the internet for our learning. You can download it from hollywoodcamerawork.com or you can take your own footage for our learning.

Step 2: Now place this footage in After Effect software. For placing this footage go to that folder where you have saved it and pick it from there with the help of the mouse button then drop it in the Project panel of After Effect software.

Project panel

Step 3: Now drag this footage in the Layer Section from Project Panel of this software and drop it there.

Layer Section

Step 4: Now go to the Effects & Presets tab of this software which is on the right side of the working screen.

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Effects & Presets

Step 5: Now search for ‘Keylight’ in the search box of the Effects & Presets tab.

search box

Step 6: Now pick the ‘Keylight spill suppressor’ option from the list of Effects & Presets and drop it on the footage in the composition area.

spill suppressor

Step 7: Once you drop this on footage a Keylight parameters box will be open in the Effect control section which is at the left side on the working screen and next to Project panel.

Effect control section

Step 8: Now set the green color in a color box of Screen Color option of keylight parameters. Now click on Screen color picker and then click on the green color of footage for replacing it with a black color background.

Screen Color option

Step 9: When you zoom out this footage you can see that there is some green color remains on the edges of character and another object of our footage.

edges of character

Step 10:For removing this from edges of our character and object of footage, go to the ‘Advanced Spill Suppressor’ option of parameters of Keylight.

Advanced Spill Suppressor

Step 11: And enable this option by click on the ‘fx’ button of this option. Once you enable it you will notice the greenish color at the edges of character and object will be removed.

Keylight in After Effects - 11

Step 12: One thing you should keep in mind that you should never select the ‘Final Result’ option in the View parameter of Keylight.

Final Result

Step 13: Because when you select this option blur edges will come on the objects of footage.

blur edges

Step 14: You can see this effect clearly in the transparent background. For Transparent Background enable the ‘Toggle Transparency Grid’ option which is at the bottom of the composition window.

transparent background

Step 15: You can see the blur portion near the edges of the character and object of footage.

Keylight in After Effects - 15

Step 16: So take the ‘Intermediate Result’ option in the View option of the parameter of Keylight.

View option

Step 17: Once you select the Intermediate Result option the edge near character and object of footage becomes fine.

Intermediate Result

Step 18: Now let us change the background of the footage. Changing the background takes your desired background from the folder where you have saved it. Pick that background from that folder and drop it in the Project Panel of this software with the help of the mouse button.

Keylight in After Effects - 18

Step 19: Now drag this background image from the project panel to the Layer section of this software.

Keylight in After Effects - 19

Step 20: Adjust the size of the background according to your footage or where you want to place it.

Keylight in After Effects - 20

Step 21: Now when you change the Method of ‘Advance Spill Suppressor’ from Standard option to Ultra option.

Keylight in After Effects - 21

Step 22: A whitish color will be visible at the edges of the character and object of footage.

Keylight in After Effects - 22

Step 23: Once you select the Ultra method, the properties of the Ultra Method will be open. Go to the Spill Range option of this method and increase the value of Spill Range. Once you increase the value of Spill Range whitish color will be removed from the footage.

Keylight in After Effects - 23

Step 24: Now enable the background layer by click on the Eye button of this layer in the layer section.

Keylight in After Effects - 24

Step 25: If there is a greenish color on the skin of the character then go to the ‘Luma Correction’ option of Ultra Method of Advance Spill Suppression and increase its value. Once you increase the value of the Luma Correction the skin tone of character will be equal at every place.

Keylight in After Effects - 25

In this way, you can use the Keylight feature of After Effect software for removing green background from any video footage or image and handle its parameters for getting the best result from it.

Conclusion

Now after going through this article you can easily understand ‘what is Keylight’ and ‘how you can use it in After Effect software’? You can add plus point in your graphics designing skill by practicing on this feature of After Effect software and can give a highly professional result in your work.

Recommended Articles

This is a guide to Keylight in After Effects. Here we discuss the Introduction, how to use Keylight in After Effects in a step by step manner. You can also go through our other related articles to learn more –

  1. Motion Graphics in After Effects
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