astro (version 1.2)

acol: Convert a named colour

Description

Convert a named colour (or vector of colours) into their RGBA equivalent(s).

Usage

acol(col, alpha = 0)

Arguments

col

named colour (can be a vector)

alpha

alpha transparency value

Value

A vector equal in length to 'col' of RGBA equivalent colours.

See Also

The astronomy package: astro.