The flag of Gabon has a ratio of 3:4 and consists of three horizontal stripes of equal width - the top stripe is green (#00A551), the middle stripe is yellow (#FCD116), and the bottom stripe is blue (#2870B5). The colors are arranged in the order of green, yellow, and blue from top to bottom. At the center of the flag is a circle divided into three parts - the upper segment is green, the left segment is blue, and the right segment is yellow. The circle's diameter is two-thirds the height of the flag.