create_palette: create_palette(): Save Custom Color Palettes as JSON

In evanverse: Utility Functions for Data Analysis and Visualization

create_palette(): Save Custom Color Palettes as JSON

Description

Save a named color palette (sequential, diverging, or qualitative) to a JSON file. Used for palette sharing, reuse, and future compilation.

Usage

create_palette(
  name,
  type = c("sequential", "diverging", "qualitative"),
  colors,
  color_dir,
  log = TRUE
)

Arguments

name	Character. Palette name (e.g., "Blues").
type	Character. One of "sequential", "diverging", or "qualitative".
colors	Character vector of HEX color values (e.g., "#E64B35" or "#E64B35B2").
color_dir	Character. Root folder to store palettes (required). Use tempdir() for examples/tests.
log	Logical. Whether to log palette creation to a temporary log file.

Value

(Invisibly) A list with path and info.

Examples

# Create palette in temporary directory:
temp_dir <- file.path(tempdir(), "palettes")
create_palette(
  "blues",
  "sequential",
  c("#deebf7", "#9ecae1", "#3182bd"),
  color_dir = temp_dir
)

create_palette(
  "qual_vivid",
  "qualitative",
  c("#E64B35", "#4DBBD5", "#00A087"),
  color_dir = temp_dir
)

# Clean up
unlink(temp_dir, recursive = TRUE)

evanverse documentation built on March 10, 2026, 5:07 p.m.