The flag of Gambia has a 2:3 aspect ratio and consists of three horizontal stripes of equal size. The upper and lower stripes are blue, while the middle stripe is green. Centered on the green stripe is a white circle which contains a red five-pointed star. The diameter of the circle is half the height of the flag. The color codes for the flag are:

• Blue: Pantone 307 C / RGB #0099CC
• Green: Pantone 356 C / RGB #009F4D
• Red: Pantone 485 C / RGB #CE1126
• White: Pantone White

There are no official measurements or geometric properties specified for the flag.