Reporting on election polls can be misleading. But a few simple fixes go a long way — so your readers see facts, not magic.
If you use a quantitative color scale, you need to decide if you want to split your values into brackets.
Choosing good colors for your charts is hard. This article tries to make it easier.
Once upon a time, I tweeted on an urgent matter. "Can somebody tell me how to get better with color?".