The flag of Jamaica has an aspect ratio of 1:2. It consists of a gold diagonal cross (saltire) that divides the flag into four triangles. The top and bottom triangles are green, while the left and right triangles are black. Here are the color codes for each color:

Green: Pantone 356 C, HEX #006B3F, RGB (0,107,63) Gold: Pantone 116 C, HEX #FED100, RGB (254,209,0) Black: Pantone Black C, HEX #000000, RGB (0,0,0)

The width of the gold saltire is 1/12th of the total length of the flag. The saltire's arms meet at the center of the flag, with each arm extending to the midpoint of the respective side.