What color is Printing Block (England), ca. 1925 ?

Source Crayola® CSS3 CSS4
#646154
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#43403b
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#858271
 
#757575
sonic silver
#808080
grey
#808080
grey