Showing the Color Legend

To show the color legend for the Circle Mark layer, navigate to the Layer Options menu, and under the Circle Marker Layer Options, select Add Circle Layer Color Legend option. This option is off by default.

showing color legend

Here is the Google Map with a Circle Marker Layer, plotting two measures: elevation, and count of features. Notice that the first measure appears as colors you can check in the color legend, while the second measurement displays as size that you can see in the area legend.

Similarly, the Mapbox map with a Circle Marker Layer and two measures: elevation, and count of features. Elevation appears as colors, and feature count is represented by the area of the circle.