Any reputable paint supply company can mix that formula. The exact formula will vary depending on which brand you choose/they offer, this is due to each manufacturer uses their own toners.
Top companies are Glasurit, and PPG water based (what certified MB shops use), Herbert Standox is good if you want to use it in homage to the original supplier.
And if you are doing an entire car, paint and supplies can be $4,000.