Source Crayola® CSS3 CSS4
#5f512f
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen
#3e3421
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#857a5a
 
#8a795d
shadow
#696969
dim grey
#696969
dimgrey