Source Crayola® CSS3 CSS4
#8b8471
 
#9f8170
beaver
#808080
grey
#808080
grey
#57534c
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#a9a599
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#73868b
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey