Green represents nature and peace, yellow represents the country's wealth and the sun, and red represents the struggle for independence.
History
Adopted on August 18, 1858. It was replaced by a red socialist flag from 1970 to 1991 during the People's Republic of the Congo but was restored when the country returned to multi-party democracy.
Construction
A 2:3 ratio. A green triangle (top hoist) and a red triangle (bottom fly) separated by a diagonal yellow band.