Source Crayola® CSS3 CSS4
#32332e
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#647e87
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#526164
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#b8d7d8
 
#c5d0e6
periwinkle
#add8e6
light blue
#add8e6
lightblue
#545042
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen