What color is Samples (Japan), mid-1960s ?

Source Crayola® CSS3 CSS4
#586c80
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#798c8f
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey
#3a4151
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#715a5f
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey