What color is Key ?

Source Crayola® CSS3 CSS4
#342b23
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#585048
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#8d877e
 
#95918c
gray
#808080
grey
#808080
grey
#736c63
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey