hyacinthine

adjective
  1. 1

    Of the colour of a hyacinth (either the gem or the flower); reddish-gold (chiefly with reference to hair).

  2. 2

    Curling like the petals of the hyacinth.

  3. 3

    Beautiful, like the mythological Hyacinthus.

Source: https://en.wiktionary.org/wiki/hyacinthine