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
Colour guard and Regimental Colours. Colour guards in the artillery units are technically the lead gun's crew and leader (except in the Honourable Artillery Company which uses both guns and Colours) and there are no colour guards in the rifle regiments (nowadays The Rifles), the Royal Gurkha Rifles (which use the Queen's Truncheon) and in the Royal Hospital in Chelsea. All of the RN's Queen's Colours are identical. Within the RN a colour guard unit consists of: In the Chinese People's Liberation Army, colour guards composed of In the parades of the 1950s, this configuration was present in every unit of the