100/0

#000000

90/10

#171919

80/20

#2d3131

70/30

#444a4a

60/40

#5a6262

50/50

#717b7b

40/60

#889494

30/70

#9eacac

20/80

#b5c5c5

10/90

#cbdddd

0/100

#e2f6f6