Source Crayola® CSS3 CSS4
#5f6083
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#8f90a1
 
#979aaa
manatee
#778899
light slate grey
#778899
lightslategrey
#afa5a8
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey