What color is Poster, Pioneers of Flight ?

Source Crayola® CSS3 CSS4
#a4452c
 
#9c2542
big dip o' ruby
#a0522d
sienna
#a0522d
sienna
#424035
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#e5e05a
 
#f8d568
orange yellow
#f0e68c
khaki
#f0e68c
khaki
#568337
 
#85754e
gold fusion
#556b2f
dark olive green
#556b2f
darkolivegreen
#6073a7
 
#7366bd
blue violet
#708090
slate gray
#708090
slategrey