Source Crayola® CSS3 CSS4
#525f57
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#839688
 
#95918c
gray
#808080
grey
#808080
grey
#29332f
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#767a6f
 
#757575
sonic silver
#808080
grey
#808080
grey