Source Crayola® CSS3 CSS4
#224123
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#75846d
 
#757575
sonic silver
#808080
grey
#808080
grey
#bfc5af
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver