Translucent, colored magnets, which would open up new possibilities in opto-magnetic devices, could potentially be realized in the form of molecule-based magnets composed of metal complexes. A new class of colored, magnetic thin films, prepared electrochemically and composed of (KIVxCr1-xII)-V-a-Cr-II/III[Cr-III(CN)(6)](y), is reported. The films vary from colorless (x = 0) via green to blue (x = 1), depending on the composition, and have high T-c values (220-300 K). The success of the strategy of controlling the intervalence transfer band between the vanadium and chromium ions by metal replacement is demonstrated by the results presented.