What color is Photograph, Photograph of the Construction of a Mass-operational House Designed by Hector Guimard (No. 45) ?

Source Crayola® CSS3 CSS4
#9c9892
 
#95918c
gray
#a9a9a9
dark gray
#a9a9a9
darkgrey
#7b7566
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#575247
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#bcb49d
 
#deaa88
tumbleweed
#a9a9a9
dark gray
#a9a9a9
darkgrey