# NOT RUN {
library("ggplot2")
library("scales")
show_col(colorblind_pal()(8))
p <- ggplot(mtcars) + geom_point(aes(x = wt, y = mpg,
colour = factor(gear))) + facet_wrap(~am)
p + theme_igray() + scale_colour_colorblind()
# }
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