What color is Blueprint, Villa of M. Hemsy, St. Cloud, Plan du Rez de Chaussee ?

Source Crayola® CSS3 CSS4
#6b85a0
 
#7366bd
blue violet
#778899
light slate grey
#778899
lightslategrey
#a1afb9
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey