100/0

#000000

90/10

#0b0e0e

80/20

#171c1c

70/30

#222929

60/40

#2e3737

50/50

#394545

40/60

#445353

30/70

#506161

20/80

#5b6e6e

10/90

#677c7c

0/100

#728a8a