Orange (colour) and political activities, with the colour orange being associated with Protestantism similar to the Netherlands. In optics, orange is the colour seen by the eye when looking at light with a wavelength between approximately 585–620 nm. It has a hue of 30° in HSV colour space. In the traditional colour wheel used by painters, orange is the range of colours between red and yellow, and painters can obtain orange simply by mixing red and yellow in various proportions; however these colours are never as vivid as a pure orange pigment. In the RGB colour model (the system used to create
Colour sergeant as "Colour Sergeant" or "Colours" in the Royal Marines, and never by the more junior rank of "Sergeant". Unusually, NCOs with the rank of colour sergeant who hold the appointment of company quartermaster sergeant are still addressed and referred to by their rank, not their appointment. In Foot Guards regiments, colour sergeants are addressed as "Sir" and afforded the respect and privileges normally accorded to warrant officers. During ceremonial events it is from the colour sergeant that the ensign collects the colour of the battalion or regiment. In the Royal Marines Band Service, the bandmasters of the seven Royal Navy