Source Crayola® CSS3 CSS4
#3c271a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#63524b
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#7a6e69
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey