Source Crayola® CSS3 CSS4
#506a64
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#428182
 
#319177
illuminating emerald
#708090
slate gray
#708090
slategrey
#736371
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#707c61
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#aaad9a
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey