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

Source Crayola® CSS3 CSS4
#9c8d62
 
#9f8170
beaver
#808080
grey
#808080
grey
#776c4f
 
#85754e
gold fusion
#696969
dim grey
#696969
dimgrey
#c6c2af
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver
#4f4737
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen