What color is Photograph, Royal Arches, Washington Column, North Dome, 1861–66 ?

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#e7e1bd
 
#eceabe
spring green
#f5deb3
wheat
#f5deb3
wheat
#55473d
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#73675b
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#bfb59a
 
#deaa88
tumbleweed
#d2b48c
tan
#d2b48c
tan
#9a8c78
 
#9f8170
beaver
#808080
grey
#808080
grey