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Forums Adobe After Effects Expressions Scripting Layer Color

  • Scripting Layer Color

  • Ralph Moreau

    June 17, 2022 at 2:07 pm

    I’ve looked all throughout the documentation, and google searches. Is there a way to script changing color of layers. I’m building a script that parents a null to another layer, then depending on that layers color, the null will be a specified color. Not looking for labels either, but color of an actual layer.

  • Dan Ebberts

    June 17, 2022 at 6:49 pm

    The only thing I can think of would be to do a replaceWithSolid() on the null’s source and specify the color you want, like this:

    var myNull = app.project.activeItem.layer(1);

    var myFootage = myNull.source;


  • Ralph Moreau

    June 20, 2022 at 6:12 pm

    Hi Dan,

    Thank you! This is a very clever solution to changing the the color of the icon on the null layer. Which would be an amazing alternative. But if possible is there a way to actually change color of the layers themselves on the timeline?

  • Dan Ebberts

    June 20, 2022 at 9:50 pm

    I think you do have to go after the color of the solidsource for the null (rather than the color of the layer itself), but it’s not as tricky as I thought. This should work:

    var myNull = app.project.activeItem.layer(1);

    myNull.source.mainSource.color = [1,1,0];

  • Filip Vandueren

    June 21, 2022 at 9:08 am

    I think what you need is to change the color of the layer in the timeline is to just set the label:

    app.project.activeItem.layer(index).label = 8; // takes an integer from 0-16 - 0=no label

    You can choose one of the preset color-labels as setup in your preferences, but you cannot change those presets via scripting.

  • Ralph Moreau

    June 21, 2022 at 12:53 pm

    Thank you both for your brilliant solutions, this definitely places me at the end of the creating the script. For some reason I thought the label method, only applied to layer markers. Both these methods make it a lot more efficient in creating color hierarchies.

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