Source Crayola® CSS3 CSS4
#5f6970
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#909188
 
#95918c
gray
#808080
grey
#808080
grey
#2f3748
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey