.properties.elevation < 556.9) {
                return [115, 188, 132];
              } else if (feature.properties.elevation >= 556.9 && feature.properties.elevation < 676.3) {
                return [146, 204, 139];
              } else if (feature.properties.elevation >= 676.3 && feature.properties.elevation < 795.6) {
                return [190, 221, 165];
              } else if (feature.properties.elevation >= 795.6) {
                return [229, 238, 193];
              }

              return [0,