The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. This false color image from NASA 2001 Mars Odyssey spacecraft shows some of the plains of Arabia Terra.
Orbit Number: 4582 Latitude: 24.3566 Longitude: 338.436 Instrument: VIS Captured: 2002-12-26 19:13
http://photojournal.jpl.nasa.gov/catalog/PIA19217