Source Crayola® CSS3 CSS4
#6c6a64
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#4b4c52
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#93745a
 
#8a795d
shadow
#808080
grey
#808080
grey