Fascinating contemplation of color perception, as mediated by language. The tints of a rough sea range from ‘whitish’ (polios) and ‘blue-grey’ (glaukos) to deep blue and almost black (kuaneos, melas). The sea in its calm expanse is said to be ‘pansy-like’ (ioeides), ‘wine-like’ (oinops), or purple (porphureos). But whether sea or sky, it is never just ‘blue’. In fact, within the entirety of ancient Greek literature you cannot find a single…