xbox 360 vanity (main): spectre hood (black dye), dragon breastplate (black dye), dragon greaves (black dye), star cloak (vanity accessory; black dye).
mobile (most played) (main): "Desmund the destroyer version 3.0", on page 8 of this thread.
xbox one (main): cobalt boots and breastplate (no dyes), jungle rose (no dye).
3ds (2nd most played) (main): shadow armor and fashion wings. since its 3ds, there are no dyes or social slots for accessories.
ps3 (main, unfinished save): crimson armor (undyed; my ps3 burnt out yrs ago so I never got past my second mech battle against prime...)
I think that's all?
EDIT: I have another mobile character...(not my main): cat ears (purple ooze dye), fox costume shirt (purple dye), fox costume pants (green dye), titan glove (or power glove?... I'm pretty sure its titan-purple dye), and obsidian water walking boots (purple dye, 10% chance I'm wrong and its sailfish boots...)