Source Crayola® CSS3 CSS4
#1d282a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#45595f
 
#4a646c
deep space sparkle
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6f898e
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#c7e2d6
 
#dbd7d2
timberwolf
#d3d3d3
light gray
#d3d3d3
lightgrey
#b4c5a4
 
#a8e4a0
granny smith apple
#a9a9a9
dark gray
#a9a9a9
darkgrey