Laser Line Excitation Dyes Emission Color 364 nm. UV Hoechst 33342, for DNA DAPI, for DNA AlexaFluor-350 Cascade Blue AMCA Violet / Blue 457 nm. Argon Lucifer Yellow Green/Yellow 488 nm. Argon AlexaFluor-488 Oregon Green YOYO-1, for DNA Cy-2 FITC PE Green Green Green Green Green Red 543 nm. HeNe AlexaFluor-546 AlexaFlour-568 Tetramethyl Rhodamine Lisamine Rhodamine Propidium Iodide, for DNA BOBO-1 for DNA Red 633 nm. HeNe Cy-5 AlexaFluor-633 TOTO-3, for DNA APC Deep Red