HEX CODES
#6F635F
#32201B
#68605E
#271C19
#C1AF8F
#A68C5D
#9A8F7B
#6E5E41
#E4DCD7
#D9CEC7
#AFABA7
#8D8782
#C0AA96
#A6866A
#998B7F
#6E5A49
#84806B
#504A2B
#747265
#393623

Original image from Robert Metz

Five colors with tint, shade, and tone of each for added inspiration. Includes HTML/HEX codes.