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  • How can i remove a specific colour in the .psd to the movie?

    Posted by Cuel on May 11, 2005 at 1:25 pm

    Okay here is the deal, I’ve made a yellow ball with faded yellow in the edges. Around the ball it is white colour. I know how to import this .psd to adobe after effects but not how to animate it inside, with animate I mean move it around. Now here is the most imporent part: I don’t know how to remove the white from the .. layer? I only want the yellow to be visible in the movie. It is a effect from a game and i really need it.

    I have searched the forums and tutorials for almost 2 days and decided to make a post. Can someone point me to a tutorials or point me in the right direction? Would be kind. Please.

    Cuel replied 21 years, 4 months ago 3 Members · 3 Replies
  • 3 Replies
  • Filip Vandueren

    May 11, 2005 at 1:40 pm

    Is the ball on it’s own layer in photoshop ? And does it have transparancy there ?

    If not, you need to make an alpha-channel for the yellow ball.

    Ypu can do this in After effects, but I would do it in Photoshop:
    I’d suggest duplicating the blue channel and using that as an alpha, you might want to tweak the levels;
    then once the yellow ball has it’s own layer, don’t forget to “remove white matting” from that layer.

    In After effects import your .psd as a composition, or import only the ball-layer.
    Now you should have transparancy.

  • Bill Nahlik

    May 11, 2005 at 2:39 pm

    Filip’s solution is better, but if the alpha layer is not availalbe in Photoshop, you could key it within AE by clicking on the layer and going to Effect>Keying>Luma Key. Set the key type to Key out brighter and adjust the threshold all the way up to 254. You can then adjust tolerance and feather to your liking.

  • Cuel

    May 11, 2005 at 4:12 pm

    Okay thanks, do you have some sort of tutorial for this? I am not so good in photoshop

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