Source Crayola® CSS3 CSS4
#31464b
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#9bb9c4
 
#a2add0
wild blue yonder
#a9a9a9
dark gray
#a9a9a9
darkgrey
#5a8492
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#6f8f76
 
#757575
sonic silver
#808080
grey
#808080
grey
#4e6a5f
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey