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simple colour change?
Hiya got a fairly urgent but im sure simple question….
I’ve got some dodgy green screened footage which i’ve pulled a rough key of, so theres still a green stroke around the character. I’d like to change the green to black if poss. I’ve made a colour change from green to red using Colour correction > change colour to, but trying to get it black – how do i do this?
Hope this makes sense…
THanks!!
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8 Replies
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Have you tried choking the matte and eliminating the green stroke all together? If not, see if the Matte Choker or Simple Choker effects do the trick.
~Colin -
Thanks… but its really dodgy quality and pretty much impossible to pull a decent key because its a motion capture of a 3d character from a tv screen (had an actor act for a 3d virtual puppet). A lot of the time the character is just going to be on a black background, hence the need to have the stroke black. I’ve feathered it heaps so its more like a glow. Any way of making that green black??
Ta!
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Are you using a regular color key or Keylight? Keylight is far superior to any other keying effect in AE.
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Wish i had keylight but no and unfortunately dont have a spare 5 grand right now… Any ideas on changing that colour?
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Change Color should work for you.
Adjust the effects ‘Lightness Transform’ to -100.
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Depending on which version of After Effects you have, you may have Keylight already. Just slip your install CD in again and take a look.
I believe it was V6.0 when Adobe started bundling Keylight (I may be wrong on that though, it could have been V6.5).
With regards to your original question, you may want to try using the Hue/Saturation filter Simply select one of the colour channels and you can then limit the effect just to that colour range. That should work a treat.
HTH
Ben
Curious Turtle Professional Video
Training | Editing |Support -
Hey guys – thanks so much for the input! Can’t believe that i should have keylight! Dont do a lot of keying but that would be super useful. I’m on AE7 so should be included yeh? Have to look into that.
Ben – i think i love you. Dont know why i hadnt thought of using the colour channel and worked brilliantly ta!
((For some reason in the change colour effect, changing the lightness value doesnt seem to work? Havnt used this effect before so i may have the wrong settings or something, but i feel like ive tried every combo with no success))
Cheers!
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The other thing you could do which would be more time consuming but possibly more flexible with using the line creatively is……Do an autotrace around the object, then apply stroke to the layer and point it to use the autotrace mask. The stroked edge around the object can then be keyframed to move between start and end points, expanding or collapsing the size of the stroke, changing colour etc. Just a thought.
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