Source Crayola® CSS3 CSS4
#3c3d39
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#939388
 
#95918c
gray
#808080
grey
#808080
grey
#bdbcaf
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver