What color is Western Methodist Book Concern Building, Chicago, Illinois (Harry Bergen Wheelock, architect) Architectural Panel ?

Source Crayola® CSS3 CSS4
#aea287
 
#95918c
gray
#bc8f8f
rosy brown
#bc8f8f
rosybrown
#6f6148
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#8c806a
 
#8a795d
shadow
#808080
grey
#808080
grey