Selected object is darker than it should be:


If I change its hierarchical level, the rendering is OK:


The root object is this one:

I often find this is down to shading problems.
The crease operation or pressing the crease level commit on the object properties usually fixes it.

Moving objects into another group often changes the normals of an object (crease level).

quote:

Originally posted by Paul Gausden:
The crease operation or pressing the crease level commit on the object properties usually fixes it.

Yes it works. Good tip! Thanks!