Dark dye allows one piece of the graceful outfit to be recoloured to a black and red variant. Six are needed to recolour the full graceful set, as the dye is consumed with one use.
Failed to find products with those materials - ensure they are spelled correctly. (ERR: no results from SMW)
Shop locations
Lua error: The item "Dark dye" is not sold in any shop, please check for typos.
Recolouring
The recolouring, obtainable by using dark dye on a piece of the outfit, costs 300 Hallowed marks at the Hallowed Sepulchre per piece of Graceful, costing a total of 1800 hallowed marks.