Color is arguably one of the most important graphical assets for data ... not result in the most accurate visual representation of quantitative data, color is often the best choice for compact ...

A heatmap is a graphical representation of data in two-dimension ... of the U.S. experiencing high foreclosure rates in a dark color and states with low foreclosure rates in lighter colors ...

However, reliance on purely visual representations of data can pose accessibility ... In these cases a including a table of data used to generate the graph can provide the necessary detail The ...