Colors | Drawing, Bridge for the New York Connecting Railroad, Queens Boulevard, Long Island | Objects | Collection of Cooper Hewitt, Smithsonian Design Museum

Source	Crayola®	CSS3	CSS4
#555447	#414a4c outer space	#556b2f dark olive green	#556b2f darkolivegreen
#2a2a25	#414a4c outer space	#2f4f4f dark slate gray	#2f4f4f darkslategrey
#9b9a80	#95918c gray	#808080 grey	#808080 grey
#7b7966	#757575 sonic silver	#696969 dim grey	#696969 dimgrey

What color is Drawing, Bridge for the New York Connecting Railroad, Queens Boulevard, Long Island ?