color class — class_color • ggdiagram

color class

Usage

class_color(
  color = class_missing,
  hue = NULL,
  saturation = NULL,
  brightness = NULL,
  alpha = NULL
)

Arguments

color: character (R color or hex code)
hue: get or set the hue of a color (i.e., the h in the hsv model)
saturation: get or set the saturation of a color (i.e., the s in the hsv model)
brightness: get or set the brightness of a color (i.e., the v in the hsv model)
alpha: get or set the transparency of a color

Slots

transparentize: function to return the color with a new transparency (i.e., alpha)
lighten: function to return a lighter color
darken: function to return a darker color

Examples

mycolor <- class_color("blue")
mycolor
#> <class_color>
#> @ color: chr "#0000FFFF"
#> Other props: transparentize, lighten, darken, saturation, hue,
#>              brightness, alpha
# Display html hexcode
c(mycolor)
#> [1] "#0000FFFF"
# Set transparency
mycolor@transparentize(.5)
#> <class_color>
#> @ color: chr "#0000FF80"
#> Other props: transparentize, lighten, darken, saturation, hue,
#>              brightness, alpha
# Lighten color
mycolor@lighten(.5)
#> <class_color>
#> @ color: chr "#8282FFFF"
#> Other props: transparentize, lighten, darken, saturation, hue,
#>              brightness, alpha
# Darken color
mycolor@darken(.5)
#> <class_color>
#> @ color: chr "#000082FF"
#> Other props: transparentize, lighten, darken, saturation, hue,
#>              brightness, alpha