Abyssal red dye is an item that allows one piece of the raiments of the eye to be recoloured to a red variant. It is a one time use per item, therefore a total of three are needed to recolour a full set, with optionally two more for the amulet of the eye and the lost bag.
Rewards Guardian - OSRS Wiki
OSRS Ironman Guide Runescape - Wilderness & General Discussion - Anonymous Community
Magical dye cauldron, RuneScape Wiki
Received Abyssal Red Dye at 10KC! : r/2007scape
Tendrils (Red) - OSRS Wiki
Tendrils (Red) - OSRS Wiki
Abyssal protector - OSRS Wiki
Abyssal Sire, Runex - RSPS Wiki
Raiments of the Eye - OSRS Wiki
Tendrils (Red) - OSRS Wiki
Amulet of the eye - OSRS Wiki
Abyssal needle - OSRS Wiki
Abyss Dye - Guild Wars 2 Wiki (GW2W)
GOTR 3 Abyssal red dyes in 5 chest opens (3x 1:1200 drop rate) : r/2007scape