How to color your radar charts by category In the Radar chart template, you have the option to provide a categorical column to color by. 1 Add a new column that contains categorical data and bind it under Color category in the Data tab. If you don't have such a column, your radars will be colored according to the Name column. 2 You can adjust the colors of your charts by going to the Color settings under Shapes. Learn more about Flourish color palettes here.