hi guys

i have a sheet in which i wish to toggle the background colour of banded rows.
i found part of the code but if someone could please assist. essentially what i want is if the user double clicks on the cell(in a specific range) the active cell colour changes as well as the font colour.

now when the user double clicks on that same cell again i need it to revert back to its original colour.
here is the code:
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the module is:
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