What color is Poster, A Postman in the Pool of London, Outposts of Britain ?

Source Crayola® CSS3 CSS4
#8890bd
 
#9d81ba
purple mountain's majesty
#778899
light slate grey
#778899
lightslategrey
#e6e3cd
 
#efdecd
almond
#dcdcdc
gainsboro
#dcdcdc
gainsboro
#bebaae
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver
#2d2c28
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#74716d
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey