show_palettes: Show the color palettes

In thisplot: Utility Functions for Plotting

Show the color palettes

Description

This function displays color palettes using ggplot2.

Usage

show_palettes(
  palettes = NULL,
  type = c("discrete", "continuous"),
  index = NULL,
  palette_names = NULL,
  return_names = TRUE,
  return_palettes = FALSE
)

Arguments

palettes	A list of color palettes. Default is NULL.
type	The type of palettes to include. Default is "discrete".
index	The indices of the palettes to include. Default is NULL.
palette_names	The names of the palettes to include. Default is NULL.
return_names	Whether to return the names of the selected palettes. Default is TRUE.
return_palettes	Whether to return the colors of selected palettes. Default is FALSE.

Value

If return_palettes is TRUE, returns a list of color palettes. If return_names is TRUE (default), returns a character vector of palette names. Otherwise, returns NULL (called for side effects to display the plot).

See Also

palette_colors, palette_list

Examples

show_palettes(
  palettes = list(
    c("red", "blue", "green"),
    c("yellow", "purple", "orange")
  )
)
all_palettes <- show_palettes(return_palettes = TRUE)
names(all_palettes)
all_palettes[["simspec"]]
show_palettes(index = 1:10)
show_palettes(
  type = "discrete",
  index = 1:10
)
show_palettes(
  type = "continuous",
  index = 1:10
)
show_palettes(
  palette_names = c(
    "Paired", "nejm", "simspec", "Spectral", "jet", "Chinese"
  ),
  return_palettes = TRUE
)
# Include Chinese palettes via prefix
show_palettes(
  palette_names = c("ChineseRed", "ChineseBlue"),
  return_palettes = TRUE
)

thisplot documentation built on March 7, 2026, 5:07 p.m.