Source Crayola® CSS3 CSS4
#d0d1c3
 
#cdc5c2
silver
#d3d3d3
light gray
#d3d3d3
lightgrey
#838074
 
#757575
sonic silver
#808080
grey
#808080
grey
#63423d
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen