What color is brown?

Any color between red and yellow. Moderately dull and moderately light red.

Brown: traditional Chinese color term for the color of brown hair, or tan. Brown is often associated with earthiness, nature, and simplicity. It gives the impression of reliability and good health. On the flip side, it is considered somewhat unsharp, but this can be compensated for by using brighter colors.

Visual Communication

Brown (brown is also known as tan, ochre, etc.). Allegorically, in some ways brown is pretty much the opposite color of blue-violet. Brown is often associated with dirt, earth, nature, and simplicity. It gives the impression of reliability, good health and conservatism. On the flip side, it is also considered somewhat undistinguished, but this can be remedied by using brighter colors. The color brown associates with old and time-worn photographs and materials and can be used to create warmth and nostalgia.

Reference for the above: Baidu Encyclopedia-Brown