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 Bhutan along the bottom edge of the flag), while the dragon in the photos appears to have a slightly rising vertical slant. The dragon is described as "green", but the shade in the photos, if indeed green, must be very pale. Western flag books until after 1970 generally show the Bhutanese flag closely resembling the 1949 photos. The second version of the national flag was developed in 1956 for the visit of the third Druk Gyalpo Jigme Dorji Wangchuk to eastern Bhutan. During the trip the Druk Gyalpo's Secretariat began to use flags of a new design based upon a photograph