Source Crayola® CSS3 CSS4
#d4cbc4
 
#cdc5c2
silver
#d3d3d3
light gray
#d3d3d3
lightgrey
#6c5740
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen
#37332d
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey