What color is Sample (USA), 1960–63 ?

Source Crayola® CSS3 CSS4
#2d3646
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#5a697e
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#93a4b8
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#72849a
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey