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

Source Crayola® CSS3 CSS4
#ad9c6b
 
#9f8170
beaver
#bdb76b
dark khaki
#bdb76b
darkkhaki
#887a58
 
#8a795d
shadow
#696969
dim grey
#696969
dimgrey
#514938
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen