Source Crayola® CSS3 CSS4
#28352f
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#447355
 
#4a646c
deep space sparkle
#2e8b57
sea green
#2e8b57
seagreen
#6f8e7a
 
#757575
sonic silver
#808080
grey
#808080
grey
#6a756d
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey