Strong's G5191 — ὑακίνθινος (adjective)
huakinthinos (hoo-ak-in'-thee-nos) adj.
1. "hyacinthine" or "jacinthine", i.e. deep blue
[from G5192]
KJV: jacinth 
Root(s): G5192 
Hebrew root: ὑάκινθος
Occurrences: 1