Source Crayola® CSS3 CSS4
#939b9a
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#6c7c7c
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#405855
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6b3e36
 
#714b23
raw umber
#8b4513
saddle brown
#8b4513
saddlebrown
#983122
 
#9c2542
big dip o' ruby
#a52a2a
brown
#a52a2a
brown