[
  {
    "level": "1",
    "upperbound": "2",
    "lowerbound": "-0.5",
    "describe": "负0.5级以上",
    "color": "#a66a00"
  },
  {
    "level": "2",
    "upperbound": "-0.5",
    "lowerbound": "-1",
    "describe": "负1级至负0.5级",
    "color": "#ffa200"
  },
  {
    "level": "3",
    "upperbound": "-1",
    "lowerbound": "-2",
    "describe": "负2级至负1级",
    "color": "#284a7e"
  },
  {
    "level": "4",
    "upperbound": "-2",
    "lowerbound": "-5",
    "describe": "负2级以下",
    "color": "#052d6e"
  }
]