Images from Francois Schuiten’s Obscure Cities (with Benoit Peeters)
Grisaille is a term for paintings done usually as studies (or underpaintings) in shades of grey or a neutral monochromatic scheme. The artists focused on composition and value studies. The above examples are contemporary drawings or paintings that are finished but stem from the visual history of grisailles. Below are more traditional examples in painting, drawing and printmaking, some of which may exist as studies instead of completed works.
Jean-Baptiste Camille Corot
A few more contemporary applications below.