adjust_ltc: Adjust Lightness of Palette Colors
In ltc: Collection of Artistic and Nature-Inspired Color Palettes

View source: R/adjust_palette.R

adjust_ltc

R Documentation

Adjust Lightness of Palette Colors

Description

Darken or lighten an entire palette or specific colors within it. Uses the colorspace package for perceptually uniform adjustments.

Usage

adjust_ltc(palette_name, amount = 0, which = NULL)

Arguments

`palette_name`	Character or unquoted name. Name of the ltc palette to adjust.
`amount`	Numeric. Amount to adjust lightness (-100 to 100). Negative values darken, positive values lighten. Default is 0 (no change).
`which`	Integer vector. Which colors to adjust (e.g., c(1, 3) for 1st and 3rd). If NULL (default), adjusts all colors.

Value

A vector of adjusted hex color codes with class "ltc"

Examples


# Darken entire palette
adjust_ltc(alger, amount = -20)

# Lighten entire palette
adjust_ltc("maya", amount = 30)

# Darken only specific colors
adjust_ltc(remains, amount = -25, which = c(2, 4))

ltc documentation built on Jan. 16, 2026, 5:15 p.m.