Source Crayola® CSS3 CSS4
#919b99
 
#95918c
gray
#a9a9a9
dark gray
#a9a9a9
darkgrey
#6c8f8d
 
#6dae81
forest green
#708090
slate gray
#708090
slategrey
#5e5f6a
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#5e757e
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey