Hipper I've submitted is accurate for Prinz Eugen - i.e. the stripes show through, and roof tops are unlikely to have been red or yellow during the military operation - those were just for training in the baltic - Bismarck also have had black muzzles and dark color roof tops on turrets.
But in short - yuo can't make changes to SH3 turrets and such - they are all using 1 generic paint scheme - so modifying it will cause all ships to look like that = and a destroyer with red turret tops is not something I would recommend. You can safely play with this Hipper, it's as accurate as SH3 allows imho.