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 ...

Colors are often essential to convey scientific data, from weather maps to the surface of Mars. But did you ever consider that a combination of colors could be "unscientific?" Well, that's the case ...

Last week we posted a map of the Rim fire's progression into Yosemite National Park from Inciweb. That map (see below) uses random, qualitative colors to represent the area burned by the fire each day ...