Taken from https://github.com/Tucsky/aggr/issues/304#issuecomment-1533330429

indicator_pvsra.txt

{
  "type": "indicator",
  "name": "indicator:PVSRA",
  "data": {
    "options": {
      "priceScaleId": "pvsra",
      "blueVectorColor": "rgba(42,32,223,0.47)",
      "greenVectorColor": "rgba(38,218,44,0.5)",
      "redVectorColor": "rgba(255,0,0,0.5)",
      "regularCandleDownColor": "rgba(60,60,60,0.5)",
      "regularCandleUpColor": "rgba(170,170,170,0.51)",
      "violetVectorColor": "rgba(215,45,215,0.51)",
      "showDelta": true,
      "downColor": "rgba(203,101,101,0.5)",
      "upColor": "rgba(147,198,134,0.51)",
      "scaleMargins": {
        "top": 0.78,
        "bottom": 0
      }
    },
    "script": "high = $price.high\nlow = $price.low\nclose = $price.close\nopen = $price.open\nvolume = (vbuy+vsell)/close\n\naverageVolume = sum(volume[1], 10)/10.0\nvolumeSpread = volume*(high - low)\nhighestVolumeSpread = highest(volumeSpread[1], 10)\ncolor = \n  (\n    (volume >= 2*averageVolume || volumeSpread >= highestVolumeSpread) ? \n      (close > open ? options.greenVectorColor : options.redVectorColor) : \n    (volume >= 1.5*averageVolume) ? \n      (close > open ? options.blueVectorColor : options.violetVectorColor) : \n    (close > open ? options.regularCandleUpColor : options.regularCandleDownColor)\n  )\n\nif (options.showDelta) {\n  plothistogram({ time: time, value: Math.abs((vbuy-vsell)/close), color: (vbuy-vsell)/close > 0 ? options.upColor : options.downColor})\n}\n\n\nplothistogram({\n  time: time,\n  value: volume < 0 ? Math.abs(volume) : volume,\n  color: color\n})\n\n$price.color = color"
  }
}

Thanks!