Source Crayola® CSS3 CSS4
#60606b
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#7c7574
 
#757575
sonic silver
#808080
grey
#808080
grey
#423f45
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey