Source Crayola® CSS3 CSS4
#a1b6a7
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#769786
 
#6dae81
forest green
#778899
light slate grey
#778899
lightslategrey
#4d806c
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey