100/0

#000000

90/10

#121717

80/20

#242e2e

70/30

#354545

60/40

#475c5c

50/50

#597373

40/60

#6b8a8a

30/70

#7da1a1

20/80

#8eb8b8

10/90

#a0cfcf

0/100

#b2e6e6