: How to make a color transparent in GIMP I realize there are a ton of questions like this, but they are all way overcomplicated for what I am trying to do. What I want to do is very simple.

@Heady304

Whenever we choose to change a color to transparent with the Layer > Transparency> Color to alpha tool we will also introduce semi-transparency of colors different to the selected. Below this is shown for making white in the background transparent:



In case this is not wanted we need to select only a single colored area for transparency. This can be done with the select by color tool .


Make the threshold of selection low to zero to select only a single color.
Feather the selection for a smoother transition.
Add a transparent layer if not yet present (Layers > Transparency > Add Alpha Channel)
Clear (Edit > Clear or Del) the selected color to make it transparent:

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