Method and arrangement for automated color mixing

Arrangement for automated color mixing that is customer-operated and enclosed and in which a container with color base component(s) can be inserted, an for functions in the form of identifying, making of holes, addition of color pigment and closing of a hole or holes, with device(s) that carry out the said functions being arranged to be controlled by means of computer equipment that works interactively with a customer, wherein the said functions also include shaking of containers to be carried out by the said devices(s), in that the hole-making deivce(s) comprise a knife or knife edge, injection device or punch device or both arranged for being pushed through material of the container, where in the case of the knife edge or knife, this is arranged to follow a path that creates a hole by means of the knife or knife edge and the container moving in relation to each other, and comprising a dosing device that comprises an arrangement with pump or pressure and one or more valves for activation or being connected for carrying out the dosing, and in the case of the punch or injection device, one or more piston functions or pressure functions are arranged for carrying out the addition of the color pigment, wherein the dosing is to be carried out in a first state of the valve(s) or activated piston function or pressure function, and in that recirculation in the canisters or injection devices is to be carried out in a second state of the valve(s) (31) or piston function or pressure function, and further comprising an arrangement for handling color pigment in powder form for the addition of color pigment and wherein the arrangement comprises a weighing device, and a tipping device for tipping the weighed powder into the container or tin with the base color.