What color is Drawing, Study for an Advertisement, Stroock ?

Source Crayola® CSS3 CSS4
#7e88b3
 
#979aaa
manatee
#778899
light slate grey
#778899
lightslategrey
#b8b6a6
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey
#5f494b
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#6f6e8a
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#9fa9bb
 
#a2add0
wild blue yonder
#a9a9a9
dark gray
#a9a9a9
darkgrey