100/0

#000000

90/10

#081818

80/20

#113131

70/30

#194949

60/40

#226262

50/50

#2a7a7a

40/60

#329292

30/70

#3babab

20/80

#43c3c3

10/90

#4cdcdc

0/100

#54f4f4