What color is Birdcage (Netherlands) ?

Source Crayola® CSS3 CSS4
#1a2422
 
#000000
black
#000000
black
#000000
black
#6f797a
 
#757575
sonic silver
#808080
grey
#808080
grey
#4a595c
 
#4a646c
deep space sparkle
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#4d5141
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#342d22
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey