The national Flag of Kuwaitthe State of Kuwait has a black trapezoid on the hoist side and three horizontal stripes of equal size.flagsworld,The topmost stripe is green, the middle one is white and the bottom stripe is red. These colors are traditional Pan-Arab colors that many Gulf States use. The Kuwaiti national flag was adopted on September 7, 1961. It was first flown on November 24, 1961. There are rules to be followed when hanging the Kuwaiti flag. When it is hung vertically, the green stripe should be on the right side. When flying the flag, the green stripe should be on top.