No it is not. Pot is illegal anywhere in the U.S. under federal law.
It should be up to Colorado to decide whether or not to allow the intrastate production, purchase and sale of pot, but it is not. At least, not according to over 70 years of U.S. Supreme Court decisions, from Wichard v. Filburn in 1942 through Gonzales v. Raich in 2005.
We don’t care what the FedMob says.
Can you point to the clause in the Constitution that would validate such a law?