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
Law on the National Arms, Flag, and Anthem (Mexico) Law on the National Arms, Flag, and Anthem (Mexico) The Law on the National Coat of Arms, Flag and Anthem () is a set of rules and guidelines passed by the Mexican government on the display and use of the flag (bandera), coat of arms (escudo) and the anthem (himno). The original law was passed in 1984 and it contains 7 chapters, a preamble and a section that contains the lyrics of the national anthem. The law itself was changed several times, most recently in 2005. It consists of two sentences, simply stating that the flag, arms and anthem are