Orange (colour) Orange (colour) Orange is the colour between yellow and red on the spectrum of visible light. Human eyes perceive orange when observing light with a dominant wavelength between roughly 585 and 620 nanometres. In painting and traditional colour theory, it is a secondary colour of pigments, created by mixing yellow and red. It is named after the fruit of the same name. The orange colour of carrots, pumpkins, sweet potatoes, oranges, and many other fruits and vegetables comes from carotenes, a type of photosynthetic pigment. These pigments convert the light energy that the plants absorb from the sun into chemical
Colour guard of Nations are expected to lower their flags to the ground in full and regular salutes in ceremonies and parades. Civilians should stand during such times and soldiers are expected to salute them when not in formation. As the British Army, the Royal Air Force, the Royal Marines and the Royal Navy have several types of colours, there are also colour guards for these colours and these colours and their colour guards are as follows: In the cavalry, the Queen's Standard or Guidon and the Regimental/Squadron Standard or Guidon (for the light cavalry only) are the equivalents to the Queen's