What color is Key ?

Source Crayola® CSS3 CSS4
#3a2b21
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#afaba5
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#59493a
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen