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The R package dichromat provides:
Simulation of the effects of color blindness via function
dichromat() for two types of red-green color blindness
(type = "deutan" or "protan") and green-blue
color blindness (type = "tritan").
Data dalton from the work of Françoise Viénot and
co-authors, underlying the dichromat() function. It
provides a 256-color palette as it would appear with normal, protanope,
deuteranope, and tritanope vision.
A colorschemes list containing 17 color vectors
suitable for people with deficient or anomalous red-green
vision.
⚠️ Important note: The R package colorspace provides better functions for simulating color vision deficiency: simulate_cvd(), deutan(), protan(), tritan(). More modern robust color palettes are available in hcl.colors() and palette.colors() in base R as well as further tools in colorspace.
The stable version of dichromat is available on CRAN:
install.packages("dichromat")The latest development version can be installed from R-universe:
install.packages("dichromat", repos = "https://zeileis.R-universe.dev")The package is available under the General Public License version 2.
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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