Real Dictionary

sepia
colour: Something that is sepia is deep brown in colour, like the colour of very old photographs.

sepia in American English
a dark-brown pigment prepared from the inky fluid secreted by cuttlefish
of sepia
adjective: of a brown, grayish brown, or olive brown similar to that of sepia ink
noun: a brown pigment obtained from the inklike secretion of various cuttlefish and used with brush or pen in drawing