What color is Sketchbook Folio, Study of Cliffs and Ocean with Dramatic Light, 1890–1900 ?

Source Crayola® CSS3 CSS4
#b1aa9f
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#6f6860
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#928a80
 
#95918c
gray
#808080
grey
#808080
grey
#46423e
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey