The mint leaf was the direction taken because that's the direction we were given. Doesn't matter how many "ounces of creativity" you have if people disagree about the art direction.
That being said, is this getting any closer for you?

Those are
incredible!With that, I think the
green one will be better because it looks more edible. The edibility and gustatory aspect will help with acceptance by the masses. Green is
fresh and
tasty, while silver, nice too look at and is a nice colour, but it is cold and less appetizing. Green has the association with something nicer, so I think it will take better hold and gain more traction. I am in marketing, my two satoshis.