HEX CODES
#5F6267
#1A1F26
#5D5F63
#181B20
#889A7D
#546E43
#788370
#3C4C31
#F5CC50
#F2B605
#BAA055
#9D780C
#9D8966
#735724
#847862
#4F3E1F
#FCBB4D
#FC9E00
#BE9653
#A36909

Original image from Owen Young

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