1 170 109 58 255 Ceramic Tile
2 102 102 102 255 Dark-coloured Membrane
3 160 156 148 255 Gravel
4 225 225 225 255 Light-coloured Membrane
5 163 193 232 255 Light-permitting Surface
6 179 179 179 255 Metal
7 41 54 83 255 Solar Panel
8 122 144 94 255 Vegetation