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More specifically, "blue green" 487–493 nm, "bluish green" 493–498 nm, "green" 498–530 nm, "yellowish green" 530–559 nm, "yellow green" 559–570 nm Kelly, Kenneth L. (1943). „Color Designations for Lights”. Journal of the Optical Society of America. 33 (11): 627—32. doi:10.1364/josa.33.000627.