What color is Drawing, Design for Flowered Fabric or Wallpaper, 1880–90 ?

Source Crayola® CSS3 CSS4
#5e657b
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#767f97
 
#757575
sonic silver
#778899
light slate grey
#778899
lightslategrey
#252840
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey