What color is Bound Print, La Théorie et la Pratique du Jardinage (The Theory and Practice of Gardening) ?

Source Crayola® CSS3 CSS4
#222b2a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#b3a6a6
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#474543
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#8f807e
 
#9f8170
beaver
#808080
grey
#808080
grey
#716764
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey