Source Crayola® CSS3 CSS4
#d0d0c5
 
#cdc5c2
silver
#d3d3d3
light gray
#d3d3d3
lightgrey
#6e818f
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#576672
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey