What color is Photograph, Photograph of the Construction of a Mass-operational House Designed by Hector Guimard (No. 30) ?

Source Crayola® CSS3 CSS4
#726c5c
 
#85754e
gold fusion
#696969
dim grey
#696969
dimgrey
#d8d5cb
 
#dbd7d2
timberwolf
#d3d3d3
light gray
#d3d3d3
lightgrey
#3f3d35
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey