Source Crayola® CSS3 CSS4
#a1b2a6
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#434e3f
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#616b63
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#828d81
 
#95918c
gray
#808080
grey
#808080
grey