What color is Key ?

Source Crayola® CSS3 CSS4
#4b3e33
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#948e89
 
#95918c
gray
#808080
grey
#808080
grey
#23130b
 
#000000
black
#000000
black
#000000
black
#736b65
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey