Olive Brown looks almost like dark timber until the green-yellow undertone shows through. That small shift makes it more complex than a straight chocolate brown.
It is a strong choice for borders, type, and low-light sections. Pale stone or warm paper gives it enough contrast without stripping away its mood.
Brown Green Colors and Earth Colors are the natural relation set. It also sits comfortably with Rustic Colors, where its olive hint keeps a palette from going red.

Tints
#74651C
#837635
#92874F
#A29868
#B2AA81
#C1BB9A
#D0CCB3
#E0DDCD
#F0EEE6
#FFFFFF
Shades
#5A4C03
#504302
#463B02
#3C3202
#322A02
#282201
#1E1901
#141101
#0A0800
Triadic colors
#645403
#036454
#540364
Monochromatic colors
#968B54
#645403
#443902
Analogous colors
#642703
#645403
#476403
Complementary colors
#645403
#031364