100/0

#000000

90/10

#191717

80/20

#312e2e

70/30

#4a4545

60/40

#625c5c

50/50

#7b7373

40/60

#948a8a

30/70

#aca1a1

20/80

#c5b8b8

10/90

#ddcfcf

0/100

#f6e6e6