What color is Drawing, Architectural Details and Figure Studies ?

Source Crayola® CSS3 CSS4
#b0ab9c
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#8e8571
 
#9f8170
beaver
#808080
grey
#808080
grey
#6c614e
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#473d32
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey