Monochrome is the sixth album by the American alternative metal band Helmet, released in 2006 through Warcon. This is the third Helmet album in a row to be recorded as a three-piece, with new drummer Mike Jost joining veterans Page Hamilton and Chris Traynor. Bassist Jeremy Chatelain, who replaced Frank Bello on the Size Matters tour, rejoined the band for the 2006 Warped Tour in support of Monochrome.