Buff (colour) Buff (colour) Buff is the pale orange-brown colour of the undyed leather of several animals. As an RYB quaternary colour, it is the colour produced by an equal mix of the tertiary colours citron and russet. The first recorded use of the word "buff" to describe a colour was in "The London Gazette" of 1686, describing a uniform to be "...a Red Coat with a Buff-colour'd lining". It referred to the colour of undyed buffalo leather, such as soldiers wore as some protection: an eyewitness to the death in the Battle of Edgehill (1642) of Sir Edmund Verney noted "he
Color mixing instance, one can additively mix yellow and blue by shining yellow light together with blue light, which will result in not green but a white light. As in this example, one should always have the mixture of light in mind when considering additive color mixing as it is the only situation where it occurs. Despite being unintuitive, it is conceptually simpler than subtractive mixing. Two beams of light that are superimposed correspond to additive mixing. By convention, the three primary colors in additive mixing are red, green, and blue. In the absence of color, when no colors are showing, the