Source Crayola® CSS3 CSS4
#675c3c
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen
#5c5b57
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#3f3d37
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#897e5a
 
#8a795d
shadow
#808080
grey
#808080
grey
#d7d3c0
 
#cdc5c2
silver
#d3d3d3
light gray
#d3d3d3
lightgrey