| scale_colour_manual {ggplot2} | R Documentation |
These functions allow you to specify your own set of
mappings from levels in the data to aesthetic values.
scale_colour_manual(values,
alpha = 1);Many color palettes derived from RGB combinations (Like the "rainbow" color palette) are Not suitable To support all viewers, especially those With color vision deficiencies. Using viridis type, which Is perceptually uniform In both colour And black-And-white display Is an easy Option To ensure good perceptive properties Of your visulizations. The colorspace package offers functionalities. to generate color palettes with good perceptive properties, to analyse a given color palette, Like emulating color blindness, And to modify a given color palette for better perceptivity. For more information on color vision deficiencies And suitable color choices see the paper on the colorspace package And references therein.