The flag is a bicolor of green and blue, with a white snowflake and a blue 4-pointed star in the center.
Own work based on: https://www3.mnhs.org/hubfs/SERC/a63a2966-ca2b-47c7-8001-543310efac33-state_emblem_file_upload-br_mnflag_1.jpeg
Original: [[:User:|Ross Bruggink[1]]] Vector:  QuickQuokka