How to choose the best interpolation for your colors

As soon as we imported the data for our choropleth map or symbol map, or chose to create a heatmap in the Datawrapper table tool in  step 3: "Visualize", Datawrapper lets us choose the colors with these settings:

This is a powerful tool. The colors we choose have a huge impact on our map: How it is perceived, how well our statement is communicated, and how honest we present the data.