What color is Greeting Card, War and Peace, 1971–72 ?

Source Crayola® CSS3 CSS4
#53564f
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#a1a296
 
#95918c
gray
#a9a9a9
dark gray
#a9a9a9
darkgrey
#70726a
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#6f4947
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey