# Gas Tank

Sets gas-tank appearance.

Place the object under `containers` in a fluid-property file.

## Fields

| Field | Meaning and default | Range |
| - | - | - |
| `bottle_color` | Bottle tint as an integer or `#RRGGBB`. | `i32` or #RRGGBB |
| `label_color` | Label tint as an integer or `#RRGGBB`. | `i32` or #RRGGBB |

## Example

From `data/hbm/fluid_property/aromatics.json`:

```json
{
  "gastank": {
    "bottle_color": "#68a09a",
    "label_color": "#edcf27"
  }
}
```