Orange (colour) colours on a television or computer screen), orange is generated by combining high intensity red light with a lower intensity green light, with the blue light turned off entirely. Orange is a tertiary colour which is numerically halfway between gamma-compressed red and yellow, as can be seen in the . Regarding painting, blue is the complementary colour to orange. As many painters of the 19th century discovered, blue and orange reinforce each other. The painter Vincent van Gogh wrote to his brother Theo that in his paintings, he was trying to reveal "the oppositions of blue with orange, of red
Orange (colour) political and social movements. In the United States Army, orange has traditionally been associated with the dragoons, the mounted infantry units which eventually became the US Cavalry. The 1st Cavalry Regiment was founded in 1833 as the United States Dragoons. The modern coat of arms of the 1st Cavalry features the colour orange and orange-yellow shade called dragoon yellow, the colours of the early US dragoon regiments. The US Signal Corps, founded at the beginning of the American Civil War, adopted orange and white as its official colours in 1872. Orange was adopted because it was the colour of a