Source Crayola® CSS3 CSS4
#b0a999
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#858574
 
#757575
sonic silver
#808080
grey
#808080
grey
#4c4e45
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6c6a5d
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey