What color is Poster, Richard Sapper Design ?

Source Crayola® CSS3 CSS4
#c1b8a8
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver
#776c66
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#958d87
 
#95918c
gray
#808080
grey
#808080
grey
#57514c
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen