From YPPedia

If you're looking for the ocean, see Indigo Ocean.

Indigo
Raw goods
Mass: 0.7 kg	Volume: 1 L
Obtained from: Merchant Brigands, Commodities markets
Used by: Apothecaries, Distilleries
End products: Enamel, Mugs, Paint

Indigo is one of fifteen herbs. It is an ingredient in navy enamel and paint and chalices. Because it is only available from one island on each of the five oceans (and must be bid for on Midnight and Hunter), it is generally traded at a high price.

Spawn Locations

Cobalt	Hunter	Ice	Malachite	Midnight	Sage	Viridian
Olin's Brow*	Paihia Island	Yorrick Island*	Cinnabarite Island* Sargasso Island* Woad Island*	Tinga Island	Hoarfrost Island*	Olin's Brow*

*Islands without market bidding.

Use

Indigo is needed in the production of:

• Apothecary products:
  • Navy paint (1)
  • Navy enamel (6)
  • Beard control wax (2)
  • Hair control tonic (3)

• Distillery products:
  • Chalice (1)
• Furnisher products:
  • Crate o'herbs (10)
  • Crate o'spices (10)