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

Source Crayola® CSS3 CSS4
#99875c
 
#8a795d
shadow
#808080
grey
#808080
grey
#5b513b
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#c8c5b2
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver
#302a23
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey