Colour changer (10, 80, 110, 140), comprising • a valve module (32, 60, 82, 112, 142) with a first interaction area (34, 116), • a plurality of valve means (18, 20, 22, 88, 120) provided in the valve module (32, 60, 82, 112, 142), which are connected on their respective inlet side to a respective supply duct (12, 14, 16, 100, 146) for paint material and are connected on their respective outlet side to a common collecting duct (24, 70, 72, 74, 137), the valve means (18, 20, 22, 88, 120) being openable and closable via respective switching means (26, 28, 30, 90, 122, 138, 139) by means of a first actuation end discharging in each case into the first interaction area (34, 116), and • a switching module (44, 84, 114, 144) with a second interaction area (46, 118) and precisely one actuator (48, 94), which discharges by means of a second actuation end into the second interaction area (46, 118), • wherein the valve module (32, 60, 82, 112, 142) and switching module (44, 84, 114, 144) are arranged with their respective interaction areas (34, 46, 116, 144) adjacent and are displaceable therealong relative to one another, and wherein, as a result of a respective displacement movement, the second actuation end is simultaneously movable with respect to at most one of the first actuation ends into a respective actuation position so that the respective associated valve means (18, 20, 22, 88, 120) can be opened and closed by the precisely one actuator (48, 94), characterized in that each valve means (18, 20, 22, 88, 120) has at least one tubular coupling element, through which paint material can flow and which can be pressed against an interlockingly corresponding bore in a further coupling means, wherein the at least one coupling element and the further coupling element are fluidically interconnected in the open state and are moved away from one another in the closed state, a separation gap then being formed, wherein the tubular coupling element is used both to forward paint material in its interior and as a push rod for actuation of the valve means. • a valve module (32, 60, 82, 112, 142) with a first interaction area (34, 116), • a plurality of valve means (18, 20, 22, 88, 120) provided in the valve module (32, 60, 82, 112, 142), which are connected on their respective inlet side to a respective supply duct (12, 14, 16, 100, 146) for paint material and are connected on their respective outlet side to a common collecting duct (24, 70, 72, 74, 137), the valve means (18, 20, 22, 88, 120) being openable and closable via respective switching means (26, 28, 30, 90, 122, 138, 139) by means of a first actuation end discharging in each case into the first interaction area (34, 116), and • a switching module (44, 84, 114, 144) with a second interaction area (46, 118) and precisely one actuator (48, 94), which discharges by means of a second actuation end into the second interaction area (46, 118), • wherein the valve module (32, 60, 82, 112, 142) and switching module (44, 84, 114, 144) are arranged with their respective interaction areas (34, 46, 116, 144) adjacent and are displaceable therealong relative to one another, and wherein, as a result of a respective displacement movement, the second actuation end is simultaneously movable with respect to at most one of the first actuation ends into a respective actuation position so that the respective associated valve means (18, 20, 22, 88, 120) can be opened and closed by the precisely one actuator (48, 94),