tilesetStyling.js

tileset.style = new Cesium.Cesium3DTileStyle({
        color: {
            conditions: [
                ['${Height} >= 300', 'color("#FF442E")'],
                ['${Height} >= 200', 'color("#FF8000")'],
                ['${Height} >= 100', 'color("#E7A700")'],
                ['${Height} >= 50', 'color("#CFC600")'],
                ['${Height} >= 25', 'color("#A4B600")'],
                ['${Height} >= 10', 'color("#6A9E00")'],
                ['true', 'rgb(127, 59, 8)']
            ]
        }
    });