Select Color Palettes for Visualization

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

Dongqiang Zeng

Examples

colors <- palettes(category = "box", palette = "nrc", show_col = FALSE)
heatmap_colors <- palettes(
  category = "heatmap", palette = 1, counts = 10, show_col = FALSE
)
#> ℹ Heatmap palettes: 1 (pheatmap), 2 (peach), 3 (blues), 4 (virids), 5 (reds), 6 (RdBu), 7 (navy_firebrick), 8 (magma)