What color is Drawing, Designs after 17th Century Dutch Tiles, ca. 1920 ?

Source Crayola® CSS3 CSS4
#8290ae
 
#979aaa
manatee
#778899
light slate grey
#778899
lightslategrey
#b7bcc3
 
#b0b7c6
cadet blue
#c0c0c0
silver
#c0c0c0
silver
#65759f
 
#7366bd
blue violet
#708090
slate gray
#708090
slategrey