Source Crayola® CSS3 CSS4
#3c372e
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6b848c
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#b8d7d8
 
#c5d0e6
periwinkle
#add8e6
light blue
#add8e6
lightblue
#525d5b
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#b5c6a2
 
#a8e4a0
granny smith apple
#a9a9a9
dark gray
#a9a9a9
darkgrey