From BiblePortal Wikipedia

Webster's Dictionary [1]

(1): (n.) A dark color inclining to red or yellow, resulting from the mixture of red and black, or of red, black, and yellow; a tawny, dusky hue.

(2): (superl.) Of a dark color, of various shades between black and red or yellow.

(3): (v. t.) To make brown or dusky.

(4): (v. t.) To make brown by scorching slightly; as, to brown meat or flour.

(5): (v. t.) To give a bright brown color to, as to gun barrels, by forming a thin coat of oxide on their surface.

(6): (v. i.) To become brown.

King James Dictionary [2]

BROWN, a. Dusky of a dark or dusky color, inclining to redness but the shades are various, as Spanish brown, London brown, clove brown, tawny brown. Brown results from a mixture of red, black and yellow.

BROWN, To make brown or dusky.

A trembling twilight o'er the welkin moves,

Browns the dim void, and darkens deep the groves.

Holman Bible Dictionary [3]

 Genesis 30:32-33 30:35 30:40ColorsBlack

Hastings' Dictionary of the Bible [4]

BROWN . See Colours, § 2 .

Cyclopedia of Biblical, Theological and Ecclesiastical Literature [5]

( חוּם , Chum, literally Scorched), i.e. Black, the term applied to dark-colored sheep in a flock ( Genesis 30:32-40). (See Color).