Monochrome Gray

CSS变量

--color-1: #212121;
--color-2: #424242;
--color-3: #616161;
--color-4: #9E9E9E;
--color-5: #E0E0E0;

颜色数组

[
  "#212121",
  "#424242",
  "#616161",
  "#9E9E9E",
  "#E0E0E0"
]