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 Colour guard In military organizations, a colour guard (or "color guard") is a detachment of soldiers assigned to the protection of regimental colours. This duty is so prestigious that the colour is generally carried by a young officer (Ensign), while experienced non-commissioned officers (colour sergeants) are assigned to the protection of the flag. These NCOs, accompanied sometimes by warrant officers (as is the case in several countries), can be ceremonially armed with either sabres or rifles to protect the colour. Colour guards are generally dismounted, but there are also mounted colour guard formations as well. As armies became trained and