There is a single flag matching these criteria: Flag of Niger.
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.
Orange in Flags
Orange is less common in flag design but carries strong cultural meaning where it is used. It often represents courage, sacrifice, or the sun. In Ireland, orange signifies the Protestant community, while in India it symbolizes courage and sacrifice as part of the saffron band. The Netherlands historically associated orange with the royal House of Orange. Flags with orange stand out for their vibrant and energetic appearance.
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.
