Source Crayola® CSS3 CSS4
#3c3937
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#5f5c59
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#7d7974
 
#757575
sonic silver
#808080
grey
#808080
grey