Specifying choropleth opacity In an interactive map visual, CDP Data Visualization enables you to change the opacity of choropleth maps. On the right side of Visual Designer, click Settings. In the Settings menu, click Choropleth. To change the opacity (color saturation) of choropleths, adjust the selector for the Choropleth Opacity. The valid range is from 0 through 1. Compare the appearance of the choropleth map when the opacity is set to 1 and 0.5. Parent topic: Customizing choropleth