What color is Photograph, Photograph of the Construction of a Mass-operational House Designed by Hector Guimard (No. 28), 1921 ?

Source Crayola® CSS3 CSS4
#aca699
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#888272
 
#8a795d
shadow
#808080
grey
#808080
grey
#424038
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6a6657
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#d7d4cb
 
#dbd7d2
timberwolf
#d3d3d3
light gray
#d3d3d3
lightgrey