name2rgb returns the RGB values of a named color

## Syntax

    rgb=name2rgb(name)

## Arguments

name

  name of the color, or matrix with names of the colors (case insensitive).

rgb

  vector or matrix with 3 columns of RGB integer values of the colors.

## Description

`name2rgb` returns the RGB values of a color given by its literal name. The result is a vector or a matrix with 3 columns `[r,g,b]` where `r`, `g` and `b` are integers between 0 and 255 corresponding to colors components red, green and blue. As usual 0 means no intensity and 255 means all the intensity of the color.

If no color is found `[]` is returned.

The list of all known colors is given by color_list.

## Examples

    rgb=name2rgb("gold")
    rgb2name(rgb)

## See also

- color
- color_list
- rgb2name

## History

6.0.0 Function `name2rgb` can now handle a single string and a matrix of strings.