Hato Press: Risograph Specifications 

I have some sym­pathy for the Riso­graph people.  Their pro­cess isn’t like ours: using mov­able types, but they oper­ate with the same lim­it­a­tions — a single col­our each pass and a lim­ited means of reproduction.

This guide from the Hato Press explains the lim­it­a­tions — and the qual­it­ies of Riso print­ing — beautifully.

I also stumbled on this col­our chart from Fredk. Aldous of Manchester –

Head­er image: Riso­graph flickr photo by Yan­nic Mey­er shared under a Cre­at­ive Com­mons (BY-NC) license