cantabcolors

Cambridge, MA inspired color palettes for R, featuring seasonal colors from native and commonly observed species around Fresh Pond, Cambridge Common, and the Charles River.

Installation

Install from GitHub using:

# install.packages("remotes")
remotes::install_github("xiaolong-y/cantabcolors")

Usage

Base R

library(cantabcolors)

# Simple barplot with autumn colors
barplot(c(3, 7, 9, 6, 2), 
        col = cam_cols(5, "autumn"),
        main = "Autumn in Cambridge")

# Access individual colors
cam_colors["red_maple_flower"]

ggplot2

library(ggplot2)
library(cantabcolors)

# Discrete scale with autumn palette
ggplot(iris, aes(Sepal.Width, Sepal.Length, color = Species)) +
  geom_point(size = 3) +
  scale_color_cam("autumn") +
  theme_minimal()

# Continuous gradient with river palette
ggplot(faithfuld, aes(waiting, eruptions, fill = density)) +
  geom_tile() +
  scale_fill_cam("river", discrete = FALSE) +
  theme_minimal()

View all palettes

plot_cam_demo()

Available Palettes

• spring: Serviceberry blossoms, maple flowers, and fresh leaves
• summer: Buttonbush, milkweed, bergamot, and cardinal flower
• autumn: New England aster, goldenrod, and maple leaves
• winter: Holly, white pine, snow, and granite
• river: Charles River blues and sky tones