White Dyestuffs and Black Dyestuffs can be crafted with Neutralizer in Ragnarok Mobile. Just speak to Medici the Hair Dye crafting NPC in Morroc.

Dye Crafting NPC

Medici the Dye Crafting NPC can be found in Morroc (See Above). She is in the lower right section of the main city situated in the Northern area of the Morroc map. You will find her standing next to the Item Shop NPC.

Dyestuffs Recipe

ColourRecipe
Violet Dyestuffs
(Deviling Purple)
2x Scarlet Dyestuffs
2x Cobaltblue Dyestuffs
5,000z
Brown Dyestuffs
(Metaling Brown)
2x Scarlet Dyestuffs
2x Lemon Dyestuffs
5,000z
Black Dyestuffs
(Bombporing Black)
1x Scarlet Dyestuffs
1x Green Dyestuffs
1x Cobaltblue Dyestuffs
1x Neutralizer
7,000z
White Dyestuffs
(Ghostring White)
1x Scarlet Dyestuffs
1x Green Dyestuffs
1x Lemon Dyestuffs
1x Neutralizer
7,000z

Neutralizer

Both White Dyestuffs and Black Dyestuffs require Neutralizer to craft. You can purchase it from the Event Items NPC in Prontera (See Above). You will find him just south of the Prontera fountain.

Alternatively for those with the Monthly Premium Neutralizer is also available from Kafra Co Pet Labor.