What color is Photograph, Photograph of the Construction of a Mass-operational House Designed by Hector Guimard (No. 19) ?

Source Crayola® CSS3 CSS4
#2b2a28
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#868070
 
#8a795d
shadow
#808080
grey
#808080
grey
#5b584d
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey