Source Crayola® CSS3 CSS4
#d6d3c4
 
#dbd7d2
timberwolf
#d3d3d3
light gray
#d3d3d3
lightgrey
#868371
 
#757575
sonic silver
#808080
grey
#808080
grey
#292c2e
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey