U N Member Flag Adopted August 9 1960 Flag Proportion: 3:4 Capital: Libreville Language: French Currency: Franc Continent: Africa The current flag of Gabon was officially adopted in August of 1960.  This tricolor flag features three equal horizontal bands in a green-yellow-blue pattern.  Each color represents a geographical feature of the country.  Green is a symbol of the forests, blue is a symbol of the Atlantic Ocean and the yellow band represents the Equator.