What color is Photograph, Photograph of the Construction of a Mass-operational House Designed by Hector Guimard (No. 24) ?

Source Crayola® CSS3 CSS4
#9b9690
 
#95918c
gray
#bc8f8f
rosy brown
#bc8f8f
rosybrown
#beb7a8
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey
#44403a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6d685d
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey