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Decontaminate colors

When copying and pasting objects from one image to another, or across different projects, you may notice some original background color around the edges of the pasted object. For the object to blend in with the new background more seamlessly, you may want to use the Decontaminate Colors feature and get rid of the residue background color.

Decontaminate colors of an image

  1. Select the layer you'd like to decontaminate.
  2. Choose Format > Image > Decontaminate Colors (from the Format menu at the top of the screen).

Tip: If you use Decontaminate Colors often, you can assign a dedicated keyboard shortcut for it in System Preferences for quick access.

Pixelmator Pro User Guide