List of flags by number of colors

1

Libya (1977–2011)

Sultanate of Muscat (1650–1820)

Black flag

Green flag

Red flag

White flag

Sweden, ensign of the archipelago fleet 1761–1813

6

Andorra

Austria (state flag)

Flag of the Land Forces Command of Canada

Flag of the Navy League Cadets of Canada

East New Britain

El Salvador

Iowa

Jalisco

Novosibirsk Oblast

Olympic Games

Portugal

South Africa

South Australia

South Sudan

Rainbow flag (the current version)

Victoria

Washington

7

Almaty

Flag of the Royal Canadian Sea Cadets (image)

Colombia (naval ensign)

Connecticut

Croatia

Croatia (civil and state ensign)

Croatia (naval ensign)

Dominica

Presidential Flag of Eritrea

Fiji (civil ensign)

Fiji (government ensign)

Fiji (naval ensign)

Haiti

Kentucky

Krasnoyarsk Krai

Minnesota

Northwest Territories

Pingtung County

Queensland

Rainbow flag (the second version)

Smolensk Oblast

United States Virgin Islands

8

Alberta

British Virgin Islands

Costa Rica (state flag)

Equatorial Guinea

Fiji

Fiji (civil air ensign)

Guatemala

Guna Yala

Jewish Autonomous Oblast

Magadan Oblast

Missouri

North Dakota

Oklahoma

Prince Edward Island

Rainbow flag (the first version)

Santa Cruz

Siam

Stavropol Krai

West Virginia

9

Astrakhan Oblast

Joint Services Flag of Canada (9)

Florida

Honduras (naval ensign)

Hungary (state flag)

Hungary (naval ensign)

Saint Pierre and Miquelon

Spain

Wisconsin

Yukon

10 or more

Apure

Belize (≥12)

Bolívar

Delaware

Ecuador (12)

Gorontalo

Guam

Hela

Idaho

Illinois

Kansas

San Marino (12)

Maine

Manitoba

Mexico (≥16)

Montana

New Jersey

Nicaragua (10)

Pennsylvania

Turks and Caicos Islands

Utah

Virginia