100/0

#868686

90/10

#797979

80/20

#6b6b6b

70/30

#5e5e5e

60/40

#505050

50/50

#434343

40/60

#363636

30/70

#282828

20/80

#1b1b1b

10/90

#0d0d0d

0/100

#000000