"fill-color": "rgba(230, 36, 0, 1)",

{
    "id": "my_style",
    "version": 1,
    "name": "my_style",
    "sources": {
        "mbtiles1": {
            "type": "vector",
            "url": "mbtiles://my_mbtiles.mbtiles"
        }
    },
    "layers": [
        {
            "id": "layer1",
            "type": "fill",
            "source": "mbtiles1",
            "source-layer": "cat1",
            "paint": {
                "outline-color": "rgba(230, 36, 0, 1)",
                "fill-color": "rgba(230, 36, 0, 1)",
                "fill-translate-anchor": "map"
            }
        }
    ]
}

{
    "id": "my_style",
    "version": 1,
    "name": "my_style",
    "sources": {
        "mbtiles1": {
            "type": "vector",
            "url": "mbtiles://my_mbtiles.mbtiles"
        }
    },
    "layers": [
        {
            "id": "layer1",
            "type": "fill",
            "source": "mbtiles1",
            "source-layer": "cat1",
            "paint": {
                "fill-pattern": "stripes.svg"
                "fill-translate-anchor": "map"
            }
        }
    ]
}

{
    "options": {
        "paths": {
            "root": "/data",
            "fonts": "fonts",
            "styles": "styles",
            "mbtiles": "/data"
        }
    },
    "styles": {
        "my_style": {
            "style": "my_style.json",
            "tilejson": {
                "bounds": [
                    -180,
                    -85.06,
                    180,
                    85.06
                ]
            }
        },
    }
}

├── my_mbtiles.mbtiles
├── config.json
├── fonts
│   └── __empty__dir__
├── stripes.svg
└── styles
    └── my_style.json