1. A color measurement target rendered on a physical media and configured for color calibration, color characterization, color adjustment or color correction of a color rendering device, the color measurement target comprising: a plurality of color patches located at a plurality of color patch locations; a plurality of metadata bearing patch locations comprising a subset of and being included in the color patch locations of the color measurement target; and metadata encoded in the form of varying colorant mixtures of metadata bearing color patches at the metadata bearing patch locations, wherein the encoded metadata includes one or more values corresponding to a pre-determined arrangement of detectable colors.