100/0

#000000

90/10

#191919

80/20

#313233

70/30

#4a4c4c

60/40

#626566

50/50

#7b7e7f

40/60

#949798

30/70

#acb0b2

20/80

#c5cacb

10/90

#dde3e5

0/100

#f6fcfe