1Color maps designed to improve graph readability for readers with 2common forms of color blindness and/or color vision deficiency. The 3color maps are also perceptually-uniform, both in regular form and 4also when converted to black-and-white for printing. This package 5also contains 'ggplot2' bindings for discrete and continuous color 6and fill scales. A lean version of the package called 'viridisLite' 7that does not include the 'ggplot2' bindings can be found at 8<https://cran.r-project.org/package=viridisLite>. 9