I've had a green Angels hat since 2004.
When I was a kid in 1975, the Reds wore a green St. Patricks day uni in S.T.. (I've seen Joe Morgan's green 1975 uni in the Reds museum)
When the Angels became red & white in 2002, I always wanted a green Angels hat.
In 2004, for St. Patricks day, my wife got me one!