Source Crayola® CSS3 CSS4
#aaa9b6
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey
#d1cfe1
 
#c5d0e6
periwinkle
#d3d3d3
light gray
#d3d3d3
lightgrey
#5b5a47
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#848472
 
#757575
sonic silver
#808080
grey
#808080
grey