palettes: Select Color Palettes for Visualization
In IOBR: Immune Oncology Biological Research

palettes

R Documentation

Select Color Palettes for Visualization

Description

Provides curated qualitative, sequential, and diverging palettes for multiple plot types. Supports intensity adjustment and preview.

Usage

palettes(
  category = "box",
  palette = "nrc",
  alpha = 1,
  counts = 50,
  show_col = TRUE,
  show_message = FALSE
)

Arguments

`category`	Character. Plot/palette category: one of 'box', 'continue2', 'continue', 'random', 'heatmap', 'heatmap3', 'tidyheatmap'.
`palette`	Character or numeric. Palette name or index (varies by category).
`alpha`	Numeric. Alpha (transparency) scaling factor. Default is 1.
`counts`	Integer. Number of colors (for continuous palettes). Default is 50.
`show_col`	Logical. If TRUE, prints the palette. Default is TRUE.
`show_message`	Logical. If TRUE, prints available options. Default is FALSE.

Value

Character vector of hex color codes.

Author(s)

Dongqiang Zeng

Examples

colors <- palettes(category = "box", palette = "nrc", show_col = FALSE)
heatmap_colors <- palettes(
  category = "heatmap", palette = 1, counts = 10, show_col = FALSE
)

IOBR documentation built on May 30, 2026, 5:07 p.m.