What color is Poster, Sigurd Lewerentz Arkitect ?

Source Crayola® CSS3 CSS4
#303134
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#676870
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#c1c2b5
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver
#e8ed96
 
#f0e891
green yellow
#f0e68c
khaki
#f0e68c
khaki