The flag contains a white wave. The color above the wave is blue, and the color below is green. There is a white 8-pointed star in the blue section.
Own work based on: https://www3.mnhs.org/hubfs/SERC/81a1a68e-5d6b-4b9a-abc2-255463ca5615-state_emblem_file_upload-Muller.png
John Muller[1]