National flag common for colours to be presented in bands of three. It is common for many flags to feature national symbols, such as coats of arms. National patterns are present in some flags. Variations in design within a national flag can be common in the flag's upper left quarter, or canton. The most popular colours in national flags are red, white, green, dark blue, yellow, light blue, and black. The occurrence of each colour in all the flags is listed in detail in the table below. The table shows that the colours light brown, dark brown and grey only occur in
Flag of Thailand and blue for the monarchy, the last having been the auspicious colour of Rama VI. As the king declared war on Germany that July, some note the flag now bore the same colours as those of the UK, France, Russia and the United States. The Flag Act of BE 2522 (1979) stipulates the design of the national flag as "rectangular in shape with 6 part width and 9 part length, divided into five stripes throughout the length of the flag; with the middle stripe being 2 part wide, of deep blue colour, and the white stripes being 1 part wide