The flag of Gambia consists of three horizontal stripes of equal height and a red hoist-triangle. The aspect ratio is 2:3. The color codes for the flag are:

1. Red (top stripe): Pantone 186 C, HEX #CE1126
2. Blue (middle stripe): Pantone 286 C, HEX #0072C6
3. Green (bottom stripe): Pantone 3415 C, HEX #3A7728

The red hoist-triangle has its base along the entire left side (hoist) of the flag, and its apex touches the center of the blue stripe. The triangle's height is equal to half the flag's height.

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