Crossword clues for Spectrum part 3 letters:HUESpectrum partREDPart of the visible spectrum.INDIGOSpectrum partCOLORSpectrum partVIOLETRAYPart of the spectrum.ULTRAREDInvisible part of the spectrum, nontechnicallyRAINBANDPart of the solar spectrum.ULTRAREDPart of the invisible spectrum, old-styleUVHFBANDPart of the radio spectrum associated with some TV channelsINFRAREDPart of the invisible spectrumULTRAREDPart of the invisible spectrum, informally
