Source Crayola® CSS3 CSS4
#889b9f
 
#979aaa
manatee
#778899
light slate grey
#778899
lightslategrey
#6c7e85
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#435563
 
#4a646c
deep space sparkle
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#cbd4d6
 
#dbd7d2
timberwolf
#d3d3d3
light gray
#d3d3d3
lightgrey