Source Crayola® CSS3 CSS4
#603a2e
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen
#2c3654
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#abc8c9
 
#b0b7c6
cadet blue
#b0c4de
light steel blue
#b0c4de
lightsteelblue
#5a6e94
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#919aab
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey