Using ortho film, the red colors will come out very dark. I did this sort of thing back in the 1960's using Kodak's Gravure Copy Film (an ortho slow-speed emulsion). It works fine by projection. Contact printing will work, too. I did it for an enlarged negative for B&W photo christmas cards.

I might have used Dektol developer. For a negative that will be contract printed, developer isn't so critical as getting your exposure and contrast right. If you plan to enlarge, then developer will matter more (because grain structure will matter more).

Slow speed film is useful for this sort of thing, so if you go for panchromatic film, Efke 25 might be advisable because of its slow speed.

Charlie Strack