Source Crayola® CSS3 CSS4
#667276
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#334a46
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#7f9a97
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey
#92979c
 
#979aaa
manatee
#778899
light slate grey
#778899
lightslategrey