Source Crayola® CSS3 CSS4
#4c5150
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#8c897c
 
#95918c
gray
#808080
grey
#808080
grey
#717068
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#455472
 
#4a646c
deep space sparkle
#483d8b
dark slate blue
#483d8b
darkslateblue