The candidates for election in these three states are independents. Those in ME/VT are part of the Democratic caucus, while Senator Sinema of Arizona is more loosely affiliated.
The interactive map offers a series of purple shades for use in these three states, in addition to the usual D/R colors.
You can separately choose how to count each independent to determine majority control. When counted with a group, the card will show a striped result. By default, all three are counted among Democrats, as this best reflects the current situation.
As with any other 2024 state, you can use the map’s color palette or rotate the colors by clicking on the map.