What color is Photograph, Photograph of the Construction of a Mass-operational House Designed by Hector Guimard (No.2) ?

Source Crayola® CSS3 CSS4
#9f9887
 
#95918c
gray
#bc8f8f
rosy brown
#bc8f8f
rosybrown
#c1bbaa
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver
#706e63
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey