Generate lighter or darker version of a color

Produces a linear blend of the color with white or black.

Usage

lighten_color(color_hex, strength = 0.7)

darken_color(color_hex, strength = 0.8)

Arguments

color_hex

A character string representing a hex color

strength

The "strength" of the blend with white or black, where 0 is entirely the original color and 1 is entirely white (lighten_color()) or black (darken_color()).

Value

A character string with the lightened or darkened color in hexadecimal format.

Examples

blue <- "#0e6ba8"
blue_light <- lighten_color(blue, strength = 0.33)
blue_dark <- darken_color(blue, strength = 0.33)

if (requireNamespace("scales", quietly = TRUE)) {
  scales::show_col(c(blue_light, blue, blue_dark))
}