What color is Photograph, Photograph of the Construction of a Mass-operational House Designed by Hector Guimard (No. 42) ?

Source Crayola® CSS3 CSS4
#9b9483
 
#95918c
gray
#808080
grey
#808080
grey
#48453b
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#d7d3c7
 
#dbd7d2
timberwolf
#d3d3d3
light gray
#d3d3d3
lightgrey
#716c5d
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey