The flag of Kuwait has an aspect ratio of 1:2 and is divided into three horizontal stripes of equal width with a black trapezoid on the hoist side. The color codes for the flag are:

1. Green (top stripe): Pantone 349 C, HEX #006847
2. White (middle stripe): Pantone 1 C, HEX #FFFFFF
3. Red (bottom stripe): Pantone 186 C, HEX #CE1126
4. Black (trapezoid on the hoist side): Pantone Black C, HEX #000000

The trapezoid's shorter parallel side is equal to the flag's width, while its longer parallel side runs from the bottom-left corner to the top-right corner of the green stripe.