Here is the official list of 2019 3 Series colors and samples.
Standard:
Alpine White
Black Sapphire
Blue Ridge Mountain
Glacier Silver
Jet Black
Mediterranean Blue
Melbourne Red
Mineral Grey
Mineral White
Sunset Orange
Vermont Bronze
M Sport Package:
Alpine White
Black Sapphire
Mineral Grey
Mineral White
Portimao Blue
Sunset Orange
Attachment 1965412