100/0

#000000

90/10

#101515

80/20

#202a2a

70/30

#304040

60/40

#405555

50/50

#506a6a

40/60

#607f7f

30/70

#709494

20/80

#80aaaa

10/90

#90bfbf

0/100

#a0d4d4