middle ground
US /ˈmɪd.əl ˌɡraʊnd/
UK /ˈmɪd.əl ˌɡraʊnd/

1.
a position or solution that is a compromise between two extreme or opposing positions
:
•
They tried to find a middle ground in the negotiations.
•
It's hard to reach a middle ground when both sides are so rigid.