col2hex: Convert color to hex

In m-clark/visibly: Functions and palettes related to visual enhancement

Description

Convert color to hex

Usage

col2hex(color, alpha = 1)

Arguments

color	Character string. An R color or color as hex.
alpha	Transparency. A value from 0 to 1 (default).

Details

This function is primarily to be used on R colors, and will convert them to hexmode sufficient for typical use in visualization, web presentation, etc. If you already have a hex value, it can be useful for tacking on the alpha level.

Value

A character string of a hexadecimal color

See Also

as.hexmode colors col2rgb rgb

Examples

library(visibly)
col2hex('red')
col2hex('#ff5500', alpha = .1)

m-clark/visibly documentation built on Oct. 28, 2020, 5:33 p.m.