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 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