What color is Drawing, Illustration of Construction of Aviation Building by William Lescaze and J. Gordon Carr Associates for the 1939 New York World's Fair ?

Source Crayola® CSS3 CSS4
#a09c96
 
#95918c
gray
#a9a9a9
dark gray
#a9a9a9
darkgrey
#746e6a
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#575250
 
#414a4c
outer space
#696969
dim grey
#696969
dimgrey