Source Crayola® CSS3 CSS4
#334348
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#7a7e81
 
#757575
sonic silver
#808080
grey
#808080
grey
#566367
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#d10425
 
#ee204d
red
#dc143c
crimson
#dc143c
crimson