Source Crayola® CSS3 CSS4
#b0aca6
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#3b2c3f
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#868175
 
#757575
sonic silver
#808080
grey
#808080
grey
#524f2a
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen
#d9d6c3
 
#dbd7d2
timberwolf
#d3d3d3
light gray
#d3d3d3
lightgrey