Neutral doesn't truly work. In the end you will have to make a choose upon something regardless of how big or small it is. Basis of really anything that lives.
What's the neutral equivalent to flight or flight. Fickle?
TBF, see DnD alignments.
SW has very bizarre black/white alignments based on an equally bizarre interpretation of (nondualistic!) Eastern religion. Good for an MMORPG, kind of laughable in a serious RP setting that goes beyond pulp fantasy.
And like I said, for the Lore answer, read "Unifying Force"