What color is Blueprint, Villa of M. Hemsy, St. Cloud, Plan du Premier Etage ?

Source Crayola® CSS3 CSS4
#849eaf
 
#979aaa
manatee
#778899
light slate grey
#778899
lightslategrey
#adbec3
 
#b0b7c6
cadet blue
#c0c0c0
silver
#c0c0c0
silver