little bright, but the typography is great. i would suggest a thicker (or just different fonts) font for it, as it doesnt really match the arrows by being pencil thin
I don't like some of the open space off to the left, but I really do like the outcome of this piece. I would definitely say this is your best work so far. I do think you should create a tutorial on this signature. I would like to learn some of the techniques you used creating this.