Source Crayola® CSS3 CSS4
#2d2e31
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#654c42
 
#6e5160
eggplant
#556b2f
dark olive green
#556b2f
darkolivegreen
#585c71
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey