What color is Sketchbook Folio, The Nativity, Study after Carlo Cignani, 1821–22 ?

Source Crayola® CSS3 CSS4
#5c4e40
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#81735c
 
#8a795d
shadow
#696969
dim grey
#696969
dimgrey
#e9e9d4
 
#efdecd
almond
#faebd7
antique white
#faebd7
antiquewhite
#9d8e76
 
#9f8170
beaver
#808080
grey
#808080
grey
#393430
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey