What color is Drawing, Design for a Mass-Operational House Designed by Hector Guimard, Construction Directions ?

Source Crayola® CSS3 CSS4
#9f8f62
 
#9f8170
beaver
#808080
grey
#808080
grey
#dad1b6
 
#cdc5c2
silver
#d3d3d3
light gray
#d3d3d3
lightgrey
#6e6347
 
#85754e
gold fusion
#696969
dim grey
#696969
dimgrey
#4a4232
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey