100/0

#000000

90/10

#131515

80/20

#262929

70/30

#393e3e

60/40

#4c5252

50/50

#5f6767

40/60

#727c7c

30/70

#859090

20/80

#98a5a5

10/90

#abb9b9

0/100

#becece