Tag: color

Was Trump confused by rainbow color map?

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In the controversy over Hurricane Dorian, US President Donald Trump repeatedly claimed that early forecasts showed a high probability of Alabama being hit. We demonstrate that a potentially confusing rainbow color map in the official weather forecasts may have attributed to Trump overestimating the risk. Read more ›

colorspace @ useR! 2019

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Conference presentation about the colorspace toolbox for manipulating and assessing color palettes at useR! 2019 in Toulouse: Slides, video, replication materials, and working paper. Read more ›

At the end of the rainbow

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Fully saturated RGB rainbow colors are still widely used in scientific visualizations despite their widely-recognized disadvantages. A recent wild-caught example is presented, showing its limitations along with a better HCL-based alternative palette. Read more ›

Online color apps at hclwizard.org

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The hclwizard.org web page has been relaunched, hosting three online color apps based on the HCL (Hue-Chroma-Luminance) color model: a palette constructor, a color vision deficiency emulator, and a color picker. Read more ›

colorspace: New tools for colors and palettes

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A major update (version 1.4.0) of the R package colorspace has been released to CRAN, enhancing many of the package's capabilities, e.g., more refined palettes, named palettes, ggplot2 color scales, visualizations for assessing palettes, shiny and Tcl/Tk apps, color vision deficiency emulation, and much more. Read more ›