nyc-stations-hexbin.json

/* height */
[
  "interpolate",
  ["linear"],
  ["get", "incomeMed"],
  10746,
  10,
  183500,
  1800
]

/* color */

[
  "case",
  ["has", "incomeMed"],
  [
    "interpolate",
    ["linear"],
    ["get", "incomeMed"],
    10746,
    "hsl(53, 98%, 56%)",
    183500,
    "hsl(189, 100%, 45%)"
  ],
  "hsl(0, 0%, 54%)"
]