Source Crayola® CSS3 CSS4
#6c7483
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#868c92
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey
#4e5671
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey