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Dennis Parren, a former graphic designer and illustrator, created the CMYK Sculpture, a chandelier that casts split-colored shadows. Parren applied filters to the LED bulbs based on his knowledge of additive and subtractive light, pigment color theories, and how cyan (C), magenta (M), yellow (Y) and black (K) interact. This important lighting innovation could someday be used for mood-altering light therapies.