What color is Poster, Expo '70, Progress and Harmony for Mankind ?

Source Crayola® CSS3 CSS4
#4e4539
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6f604a
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#d45635
 
#cd4a4c
mahogany
#d2691e
chocolate
#d2691e
chocolate