Red represents the struggle for independence, white represents peace and light, and black represents the country (Land of Blacks). The green triangle represents Islam and the prosperity of the land.
History
Adopted on May 20, 1970, replacing a previous blue-yellow-green tricolor to show solidarity with the broader Arab world and its shared symbols of liberation.
Construction
A 1:2 ratio. A horizontal tricolor of red, white, and black with a green triangle at the hoist.
Color Meanings
red: The struggle for independence and the blood of martyrs
white: Peace, light, and optimism
black: The nation and its people (Sudan/Land of Blacks)