100/0

#769696

90/10

#6a8787

80/20

#5e7878

70/30

#536969

60/40

#475a5a

50/50

#3b4b4b

40/60

#2f3c3c

30/70

#232d2d

20/80

#181e1e

10/90

#0c0f0f

0/100

#000000