What Two Colours Make Tan?

Tan colour is made of brown and orange. However the more dominant hue in this combination is the colour brown.  One can safely say that tan is a shade of brown. A tan colour has the tint of chocolate, auburn or brunette. The term 'tan' which found its way in English language in the year 1590, was derived from the word 'tannum' which is the crushed bark of the oak tree, used in producing tanning leather. This form of leather produces a material which has a distinct 'tan' hue.  Tan colour is just one shade of brown. There are others as well; which you can look for at en.wikipedia.org