Check palette separation and background contrast

This diagnostic summarizes perceptual separation in CIE Lab space and WCAG-style contrast against a selected background. It is a screening tool, not a guarantee of accessibility in every plot.

Usage

gg_palette_check(name = "meadow", n = NULL, background = "#FFFFFF")

Arguments

name

Palette name.

n

Number of colours to evaluate.

background

Background colour.

Value

A gg_palette_check object.

Examples

gg_palette_check("meadow")
#> <gg_palette_check meadow: 10 colours, type=categorical>
#>   minimum Lab distance: 18.7
#>   minimum contrast on #FFFFFF: 1.83