The Washington State flag honors America’s first President George Washington. The Washington flag contains the state seal on a dark green background. The Washington State Seal displays a portrait of the George Washington, founding father and President of the United States. The Washington State flag is the only U.S. state flag that displays an image of an actual person. Similarly, Washington is the only state named to honor a U.S. president. Known as the “Evergreen State”, Washington’s dark green field symbolizes the many Evergreens present in the state.