Indie game storeFree gamesFun gamesHorror games
Game developmentAssetsComics
SalesBundles
Jobs

I guess the problem is not with using black for paper, but with using close colors for both "paper" and "ink". Blackboard palette from the Patreon post:


(+1)

Well it seems quite obvious when you put it that way!  Yes I think that must have been what I tried.