What color is Book Cover, The Law of Civilization and Decay by Brooks Adams, 1955 ?

Source Crayola® CSS3 CSS4
#5a554e
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#f4dd5b
 
#f8d568
orange yellow
#f0e68c
khaki
#f0e68c
khaki
#efe2c1
 
#eceabe
spring green
#f5deb3
wheat
#f5deb3
wheat
#c8b046
 
#bab86c
olive green
#bdb76b
dark khaki
#bdb76b
darkkhaki
#907837
 
#9c7c38
metallic sunburst
#a0522d
sienna
#a0522d
sienna