What color is Drawing, Design for a Mass-Operational House Designed by Hector Guimard, Cross Section of Chimneys ?

Source Crayola® CSS3 CSS4
#817352
 
#85754e
gold fusion
#696969
dim grey
#696969
dimgrey
#dad2b9
 
#cdc5c2
silver
#d3d3d3
light gray
#d3d3d3
lightgrey
#494133
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#a49466
 
#9f8170
beaver
#bdb76b
dark khaki
#bdb76b
darkkhaki