Source Crayola® CSS3 CSS4
#63717d
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#384255
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#818a8f
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey
#c8c9b9
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver