Paper grades -- and paper tones?

In another thread, @anon41087856 stated that

Notice that the display power function is equivalent to the paper grade, if you used to print in analog darkroom.

That was an interesting discovery! Thank you.

In this context: in the analog times we also could pick paper tone by selecting a certain paper and/or using another type of developer.

Examples: Agfa Brovira printed neutral to cold black, while Agfa Record-Rapid had a warm black print tone.

What would be the best method in dt to ape that behaviour?

Have fun!
Claes in Lund, Sweden

If the paper tone is a global density-related thing, use the gamma/power/mid-tones settings in color balance to tint the B&W. If you want a sort of split-toning, use the slope and offset as well.