Source Crayola® CSS3 CSS4
#686e77
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#8b9caa
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#b2c2cf
 
#b0b7c6
cadet blue
#b0c4de
light steel blue
#b0c4de
lightsteelblue
#45484b
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#c10013
 
#9c2542
big dip o' ruby
#b22222
fire brick
#b22222
firebrick