Viridis colormap

Returns the viridis color palette. A convenience wrapper around grDevices::hcl.colors that mimics the viridis color scheme without requiring extra packages.

Usage

viridis_colormap(n, alpha = 1, direction = 1)

Arguments

n

Number of colors.

alpha

Alpha channel value (0-1).

direction

Forward (1) or reversed (-1) direction.

Value

A character vector of hex color strings.

Examples

cols <- viridis_colormap(10)
plot(1:10, pch = 19, col = cols, cex = 3)