Source Crayola® CSS3 CSS4
#a0a2b2
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#4d5054
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#2d2e37
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey