Source Crayola® CSS3 CSS4
#322f2c
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#757069
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#543b22
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen