Learn about luminance and how to use it to create transparency with Luma Matte.

What you'll need

This sample file contains Adobe Stock assets you can use to practice what you learn in this tutorial. If you want to use the sample file beyond this tutorial, you can purchase licenses on Adobe Stock. Check out the ReadMe file in the folder for the terms that apply to your use of this sample file.

What you learned: Use Luma Matte to isolate an element from its background

Create transparency on one layer based on the luminance values from another layer

  1. In the Timeline panel, stack the layer to determine transparency directly on top of the layer to be the fill.
  2. Toggle the Switches And Modes button to reveal the modes and to hide the switches in the Timeline panel.
  3. Change the Track Matte switch for the fill layer to Luma Matte.

Adjust the luminance of a sourced layer using the Levels effect

  1. Select the layer used as the source for the Luma Matte track matte (the upper layer).
  2. Apply the Levels effect to the layer.
  3. Adjust the Input Black and Input White settings to make the dark pixels darker or the light pixels lighter.
11/04/2019

Adobe Stock contributors: Alexey_platonov, gonin

Presenter: Ian Robinson

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