R: The University of Chicago Color Scales

scale_color_uchicago {ggsci} | R Documentation

## The University of Chicago Color Scales

### Description

See `pal_uchicago` for details.

### Usage

    scale_color_uchicago(palette = c("default", "light", "dark"), alpha = 1,
      ...)

    scale_colour_uchicago(palette = c("default", "light", "dark"), alpha = 1,
      ...)

    scale_fill_uchicago(palette = c("default", "light", "dark"), alpha = 1, ...)

### Arguments

`palette` | Palette type. There are 3 available options: `"default"` (9-color palette); `"light"` (9-color light palette); `"dark"` (9-color dark palette).
`alpha` | Transparency level, a real number in (0, 1]. See `alpha` in `rgb` for details.
`...` | additional parameters for `discrete_scale`

### Author(s)

Nan Xiao <me@nanx.me> | <https://nanx.me>

### References

https://news.uchicago.edu/sites/default/files/attachments/_uchicago.identity.guidelines.pdf

### Examples

    library("ggplot2")
    data("diamonds")

    p1 = ggplot(subset(diamonds, carat >= 2.2),
                aes(x = table, y = price, colour = cut)) +
      geom_point(alpha = 0.7) +
      geom_smooth(method = "loess", alpha = 0.1, size = 1, span = 1) +
      theme_bw()

    p2 = ggplot(subset(diamonds, carat > 2.2 & depth > 55 & depth < 70),
                aes(x = depth, fill = cut)) +
      geom_histogram(colour = "black", binwidth = 1, position = "dodge") +
      theme_bw()

    p1 + scale_color_uchicago()
    p2 + scale_fill_uchicago()

    p1 + scale_color_uchicago(palette = "light")
    p2 + scale_fill_uchicago(palette = "light")

    p1 + scale_color_uchicago(palette = "dark")
    p2 + scale_fill_uchicago(palette = "dark")

[Package ggsci version 2.9 Index]