What color is Poster, Konkrete Utopien in Kunst und Gesellschaft ?

Source Crayola® CSS3 CSS4
#964122
 
#714b23
raw umber
#8b4513
saddle brown
#8b4513
saddlebrown
#827d78
 
#757575
sonic silver
#808080
grey
#808080
grey
#463129
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6a4e42
 
#6e5160
eggplant
#556b2f
dark olive green
#556b2f
darkolivegreen