What color is Print, Portraits of United State, ca. 1888 ?

Source Crayola® CSS3 CSS4
#98958c
 
#95918c
gray
#808080
grey
#808080
grey
#76736b
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#c2bdb2
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver
#484743
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey