What color is Envelope, Arthur A. Cohen, 160 East 70th Street, New York, NY, ca. 1956 ?

Source Crayola® CSS3 CSS4
#c17039
 
#b4674d
brown
#cd853f
peru
#cd853f
peru
#2c2823
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#897766
 
#8a795d
shadow
#808080
grey
#808080
grey
#bf987f
 
#cd9575
antique brass
#bc8f8f
rosy brown
#bc8f8f
rosybrown
#805f45
 
#85754e
gold fusion
#a0522d
sienna
#a0522d
sienna