aOrange occurs between red and yellow in the visible spectrum with blue as its complementary colour. Orange pigments are largely in the ochre or cadmium families, and absorb mostly blue light.
The colour is named after the orange fruit, after the appearance of the ripe fruit. Before this word was introduced to the English-speaking world, the colour was referred to as geoluhread (yellow-red). The first recorded use of orange as a colour name in English was in 1512, in the court of King Henry VIII.
Web colour orange is defined as FFA500. Orange peel is the colour of the outer skin of an orange, the first recorded use of it as a colour name in English was in 1839. Burnt orange has been in use as a colour name since 1915. This deep shade of orange was popular in interior design during the 1970s, and is often associated with this period. Brown, first recorded in English in 1000, is actually derived from the orange part (orange + grey) of the colour spectrum. It can also be described as dark orange.
Symbolism - academia, geography & history
In the United States and Canada, orange regalia is associated with the field of engineering. Oranje is the national colour of the Netherlands. The royal family, the House of Orange-Nassau, derives its name in part from its former holding, the principality of Orange. The title Prince of Orange is still used for the Dutch heir. Despite the fact that the name of the colour and the name of the principality have separate etymologies, the colour has come to be associated with the royal family and the Netherlands. Oranjezonnetje ('orange sun') designates good weather on the Queen's birthday. The nickname of the Dutch national football team is Oranje. Oranjegekte ('orange mania') signifies the inclination of many Dutchmen to dress up in orange during soccer matches. Orange was seen on its original flag until mid of the 17th century, in the mordern flag, red substitutes the original orange, but on birthdays the flag has an additional orange banner.
Most geographical usages of the word orange can be traced back to Dutch maritime power in the 17th century. The flag of New York City, formerly the Dutch controlled New Amsterdam, uses orange as one of its colours, based on the flag of the United Netherlands. The Republic of the Orange Free State (Oranje-Vrijstaat) was an independent Boer republic in southern Africa during the second half of the 19th century, and later a British colony and a province of the Union of South Africa. Oranjemund (mouth of orange) is a town situated in Namibia, on the northern bank of the Orange River mouth. In Ireland the use of orange dates from the reign of William of Orange, the Protestant English king (1689–1702), a Dutch stadholder and the great-grandson of William the Silent. It became associated with Irish Unionists, especially Ulster Presbyterians. For that reason, orange is on the Irish flag. The saffron stripe in the Indian flag signifies courage, sacrifice and the spirit of renunciation.
The US Department of Homeland Security's code orange on its terror threat scale represents a high risk, second highest to severe. Prisoners incarcerated in many American prisons are made to wear orange jumpsuits so they will be easy to see if they try to escape. San Francisco's famous Golden Gate Bridge is painted in orange.
Religious & social
Buddhist monks and Hindu swamis typically wear saffron robes, and occasionally maroon. Orange is used to symbolically represent the second chakra.
In English heraldry, orange is considered synonymous with the tincture tenne. However, its use as a heraldic tincture is relatively rare, as some consider it a "stain" (a deprecated tincture). The colours orange and black represent the secular holiday Halloween (31 October) because orange is the colour of pumpkins and black is the colour of night, associated with doom, despair and darkness. Being the contrasting colour of blue, it is visible against a clear sky. Therefore, safety orange are often used in high visibility clothing and other safety equipment. Due to its brightness, orange is often used in the construction industry on road signs and safety jackets to warn passers-by of the pending dangers ahead.