Unfortunately Honda did not publish any paint codes with a supporting formula for their motorcycles until the early 1980’s. However, Honda did publish paint codes & formulas for their 1960-1970 automobiles, but that doesn’t help the vintage bike owners.
Hopefully VMR paint will come through for you. If not, check with Randy @ marbles motors:
http://www.marblesmotors.com/Back in the day when you wanted to repaint the factory color, Honda sold you a can of pre-mixed paint. The pre-mixed paint can code for Tyrolean green metallic was G-39MC. This is an example of what a (obsolete) can of Honda pre-mixed paint looks like: