Source Crayola® CSS3 CSS4
#878d9e
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey
#57658c
 
#4a646c
deep space sparkle
#708090
slate gray
#708090
slategrey
#5a5a67
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey