Warned the doc before I exposed my arm about the fresh cutting and the green color (especially the green stain on the skin surrounding the cutting from where the tattoo ink traveled). He yes'd me off until he actually saw my arm, when he had a momentary pause and said "Ah, yes, I see what you were talking about now."
The bloodwork guy took one look at it and exclaimed "Aw cool! Is that new?"
Conciousness raising through medical procedures. All in a day's work.