Source Crayola® CSS3 CSS4
#6e6e83
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#aaa7bd
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey
#565561
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#353437
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#89879f
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey