Source Crayola® CSS3 CSS4
#9b968a
 
#95918c
gray
#bc8f8f
rosy brown
#bc8f8f
rosybrown
#718684
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#495757
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#90a5a0
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey