Of the colour of a hyacinth (either the gem (1a) or the flower). (Chiefly as a poetic or rhetorical epithet of hair, after Hom. Od. vi. 231, κόμας ὑακ…

Of a violet colour; purplish blue.

= violaceous, adj.

Of or pertaining to the hyacinth (sense 1 or 2a), hyacinthine.

esp. in reference to the reddish-orange colour of the gem (1b), or the blue or purple colour of the flower (2).

Of the colour of lavender-flowers (see A. 3). Also in combinations.

Qualifying names of other colours, as violet black, violet blue, etc.