This post has been submitted by Webcomics.com member Reine Brand, creator of Greasy Space Monkeys.

Colouring under scanned lineart/inks with black lines is relatively easy. Just go to the dropdown menu in Layers and hit Multiply. If there are any artifacts, you can play with sliders in Image -> Adjustments -> Levels to make them disappear.

But what do you do when you need the lineart to be on a transparent layer, as if it were drawn digitally?

That’s easier than you might think.

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