Source Crayola® CSS3 CSS4
#485152
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#918880
 
#95918c
gray
#808080
grey
#808080
grey
#6b8675
 
#757575
sonic silver
#808080
grey
#808080
grey
#bba79b
 
#deaa88
tumbleweed
#a9a9a9
dark gray
#a9a9a9
darkgrey