What color is Sample Woven After Jackson Book (1958-30-1) (USA) ?

Source Crayola® CSS3 CSS4
#b9bcc5
 
#b0b7c6
cadet blue
#c0c0c0
silver
#c0c0c0
silver
#818daa
 
#979aaa
manatee
#778899
light slate grey
#778899
lightslategrey