PL has a “Style- Toning” feature that lets you apply “Split Toning” to a (typically) B&W version of an image.
I’ve played around with it in the past, but I’ve never really got to grips with it.
Here’s a link that provides some tips on Split Toning settings (It’s not specific to PL - but it’s readily transferable): Split toning explained - LifeAfterPhotoShop
Regards, John M