What is "fehlfarben"

Fehlfarben is a Neue Deutsche Welle band from Düsseldorf, Germany. The band name is from a German printing term referring to erroneous colors in prints: singer Peter Hein was in this line of work at Xerox while in the band. Its founding members were Peter Hein (vocals), former Mittagspause ("lunch break"), Thomas Schwebel (guitar, former Mittagspause, S.Y.P.H.), Michael Kemner (bass, former 20 Colors, Mau Mau, DAF, YOU), Frank Fenstermacher (saxophone, later Der Plan), Markus Oehlen and Uwe Bauer (drums, former Mittagspause, Materialschlacht).