What color is Tile (USA), 19th–20th century ?

Source Crayola® CSS3 CSS4
#3f6966
 
#4a646c
deep space sparkle
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#012e2f
 
#000000
black
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#93918a
 
#95918c
gray
#808080
grey
#808080
grey
#678780
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#8ba092
 
#95918c
gray
#8fbc8f
dark sea green
#8fbc8f
darkseagreen