What color is Book Illustration, The Metropolis of Tomorrow, The Chanin Building ?

Source Crayola® CSS3 CSS4
#e0dec8
 
#dbd7d2
timberwolf
#d3d3d3
light gray
#d3d3d3
lightgrey
#4c4941
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#9c9a86
 
#95918c
gray
#bc8f8f
rosy brown
#bc8f8f
rosybrown
#6a685b
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey