Use colors to show in a non intrusive manner different indentation levels.
You can install via
apm install color-indent
Or, just search for
color-indent inside Atom's package panel.
I once saw something like this some years ago. Unfortunately I don't remember where, but since I always wanted it, I'm building it now.
Just type and see how the tabulation color is filled.
Choose a custom color
You can also toggle the colors if you need to deactivate it or reactivate it quickly.
Go to the Atom Command Palette and choose
Good catch. Let us know what about this package looks wrong to you, and we'll investigate right away.