Source Crayola® CSS3 CSS4
#6b7570
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#a3a091
 
#95918c
gray
#a9a9a9
dark gray
#a9a9a9
darkgrey
#8b847d
 
#95918c
gray
#808080
grey
#808080
grey
#4f5859
 
#4a646c
deep space sparkle
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey