transparentize: Adjust a color's transparency

In briandconnelly/colormod: Simple Tools for Manipulating Colors

Description

transparentize increases a color's transparency, while opacify decreases a color's transparency, making it more opaque.

Usage

transparentize(col, amount, mode = "relative")

opacify(col, amount, mode = "relative")

Arguments

col	Vector containing any of the three kinds of R color specifications: a color name (see colors) a hexadecimal string of the form "#rrggbb" (see rgb) a positive integer i meaning palette()[i]
amount	The amount to increase transparency [-1,1]
mode	Whether the adjustments set the value directly

Value

The adjusted color(s) as hexadecimal strings

briandconnelly/colormod documentation built on May 13, 2019, 5:13 a.m.