Source Crayola® CSS3 CSS4
#544a3c
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#767160
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#462e1b
 
#714b23
raw umber
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey