Morten Slettemeås works with painting that alternates between the figurative and the abstract, with references both to art history, contemporary events and popular culture. By using his own ideas and experiences and putting them in context with international events, the work appears as a personal story telling. Several works are inspired by the tradition of landscape painters in Telemark, combined with impulses from the globalized world.

Morten Slettemeås is considered to be a resilient colorist, with his expressive and colorful paintings, often in large format.