What color is Unfinished Work, late 19th–early 20th century ?

Source Crayola® CSS3 CSS4
#24262c
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#241217
 
#000000
black
#000000
black
#000000
black
#5b4b4c
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#aea2a0
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#746868
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey