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When a layer in GIMP is transparent and there are no opaque pixels behind it, you see a kind of default grid indicating that this part of the image is "transparent", like in the centre here:

Transparency example

Is there a way to change the look of this grid, or are you stuck with the default "light grey/dark grey"? I'm open to solutions even if the functionality has only recently been added in development versions of GIMP.

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up vote 21 down vote accepted

Edit > Preferences > Display > Transparency > Check style and Check size.

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Ah, thanks. It's a shame you can't actually control the colors of the checkered pattern beyond a few predetermined settings, but it's still probably good enough. – Jez Nov 5 '11 at 11:21
Don't miss Edit > Preferences > Default Grid also! – gavenkoa Jan 28 '15 at 19:45

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