The flag of French Guiana has a ratio of 2:3 and consists of two horizontal bands of blue (top) and green with a yellow five-pointed star within a red "disk" centered on the hoist side of the blue band. The aspect ratio refers to the proportional relationship between the width and height of the flag. The blue band has a Pantone color code of 287 C, the green band has a Pantone color code of 355 C, and the red disk has a Pantone color code of 186 C. The yellow star is entirely contained within the red disk, and its diameter is 1/2 the height of the red disk. All geometric properties of the flag must be in accordance with the official design specifications established by the local authorities.