°The color the perception of which is evoked by light having a spectrum dominated by energy with a wavelength of roughly 520–570-nm.
°The color produced by mixing yellow and blue pigments.
noun
°The colour of growing foliage, as well as other plantcells containing chlorophyll; the colour between yellow and blue in the visible spectrum; one of the primary additive colour for transmitted light; the colour obtained by subtracting red and blue from white light using cyan and yellow filters.