What color does brown refer to

There are different effects according to the ratio of the three colors. Brown can only be said to be a kind of general concept, not like cooked brown ochre, itself is a mixture of colors, is defined as a standard color value and naming, that is, ochre cooked brown can actually be called brown, just to facilitate the industry to communicate, and because the three primary colors between the excess of the color in particular, in order to facilitate the range of a color system within a comparative standard, only to give some specific color value to do the naming. Sepia is commonly known as coffee color, not very transparent, the brightness is deeper than ochre, and has a black taste. The color is rather subdued. And blue, green and reconcile, can get extremely calm, pale blue, green tone. After mixing powder, it is extremely elegant gray tone. It is an indispensable color in the color box.