When designers want to visualize changes in data, like in a heat map or a topographical survey, they often reach for the rainbow. The rainbow color scale is almost the default for visualizing ...

The type of graph is important to show the meaning of the data in an easy-to-understand manner, but the color coding is also an important factor. Color coding can indicate that the data is of the same ...

Data visualizations using rainbow color scales are ubiquitous in many fields of science, depicting everything from ocean temperatures to brain activity to Martian topography. But cartographers have ...