100/0

#728a8a

90/10

#677c7c

80/20

#5b6e6e

70/30

#506161

60/40

#445353

50/50

#394545

40/60

#2e3737

30/70

#222929

20/80

#171c1c

10/90

#0b0e0e

0/100

#000000