What are you looking for here?
Could get a green jacket if you happen to be named Charl. Could go khaki/chino unstructured, but this probably won't "do it in LA." When I think of something "doing it in LA," I think of those ridiculous skin-tight super-cropped grey jackets with paint splatter. The other thing that (evidently) "does it in LA" is wearing jeans with a t-shirt and sun glasses and pretending you are hiding from the paparazzi.