This template takes only 1 argument (un-named), and returns the resulting color for that faction. For example, if you are creating a template/userbox, and need the UEF blue background, do this:

{{Faction Color|UEF}}

And you will get 3766ee.

You can use this to color boxes:

A UEF box

If your background is gray, than you have failed to correctly write the faction name, and it was not recognized.

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