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

Source Crayola® CSS3 CSS4
#97844f
 
#8a795d
shadow
#808080
grey
#808080
grey
#625436
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen
#352c1f
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#dfdac8
 
#dbd7d2
timberwolf
#d3d3d3
light gray
#d3d3d3
lightgrey