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how to key out various shades of green in after effects cs4
i am new to after effects when i key out in after effects it seems that you have to select a particular shade of green which is a problem if the green screen is nt perfect. in video edit magic they have a slider that allows you to remove more various types of green away from the original green that is picked. Is there a way to do that in after effects so that i can remove those other variations of the green that is picked?
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4 Replies
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The “Linear Color Key” effect lets you pick a main color then add different shades with a color picker (has a + next to it). But the preferred built-in effect is Keylight–a little more advanced though.
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Don’t hesitate to use multiple instances of a keying effect and multiple copies of a layer to build a matte. Very seldom can you pull a good key with on instance of any keying effct.
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Todd Kopriva, Adobe Systems Incorporated
product manager, professional video software
After Effects team blog
Premiere Pro team blog
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Hi Dan thanks for the info . It was the keylight effect I was using . Is there a way to key out different shades in keylight aswell . Also could you tell me what the advantages of key light are over the other methods cheers much apprecited
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Hi Dan can you give me a quick over view on how to use the linear key to key out varius shades of green cheers
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