What color is Drawing, Glauco and Scylla, study after Agostino Carracci ?

Source Crayola® CSS3 CSS4
#b9b095
 
#deaa88
tumbleweed
#a9a9a9
dark gray
#a9a9a9
darkgrey
#9b8c73
 
#9f8170
beaver
#808080
grey
#808080
grey
#e6e4d1
 
#efdecd
almond
#dcdcdc
gainsboro
#dcdcdc
gainsboro
#6f5a46
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#463e38
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey