What color is Book Cover, Hello, I Must Be Going ?

Source Crayola® CSS3 CSS4
#a39da6
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#2f2c37
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#827d86
 
#757575
sonic silver
#808080
grey
#808080
grey
#5e5b65
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey