The flag of Jamaica consists of a diagonal cross with four triangles, two green and two black. The green triangles are at the top left and bottom right, while the black triangles are at the top right and bottom left. The vertical and horizontal sections in between the triangles are gold. The aspect ratio is 1:2, and the flag's measurements are typically 150 cm x 75 cm (5 ft x 3 ft). The color codes for the flag are:

• Green: Pantone 355 C / RGB 0, 100, 60 / Hex #00A43A
• Gold: Pantone 116 C / RGB 255, 204, 0 / Hex #FFCC00
• Black: Pantone Black C / RGB 0, 0, 0 / Hex #000000

The geometric properties of the flag are that it is rectangular with an angle of 45 degrees dividing it into four right-angled triangles.