There is a single flag matching these criteria: Flag of Namibia.
Red in Flags
Red is one of the most common flag colors worldwide. It often represents strength, bravery, revolution, or the blood of those who fought for independence. Many national flags use red to symbolize sacrifice and courage, such as in the United States, Turkey, and Japan. In other contexts, red can also reflect vitality, passion, and determination. Because of its bold visibility, red is frequently chosen for impactful flag designs.
Green in Flags
Green commonly symbolizes nature, agriculture, and fertility in flag design. It is especially prominent in African nations, where it represents the land and natural resources, and in Islamic countries, where it is associated with faith. Green conveys life, renewal, and hope, making it a powerful color for national identity. Countries like Nigeria, Brazil, and Saudi Arabia showcase green prominently in their flags.
White in Flags
White traditionally stands for peace, purity, and honesty in flag symbolism. It is used either as a background or in combination with other colors to balance a design. The Japanese flag highlights purity and simplicity with its white field. Many nations use white to symbolize peaceful intentions or unity, including Switzerland and Finland. Its neutral quality makes white a foundational element in countless flag designs.
