col2rgb
Interpret Color Names, Strings, and Numbers

### Description

Converts color names, color strings of the form "#RRGGBB", and indices into the current palette of red/green/blue values.

### Usage

    col2rgb(col, alpha = FALSE)

### Arguments

col | a vector of character strings or of small positive integers. The character strings should be either one of the names in the output of colors(), or strings of the form "0xRRGGBB" or "0xRRGGBBAA", giving the two-digit hexadecimal values (range 00-FF, equivalent to 0-255 decimal) of the red, green, blue, and possible alpha (opacity) values for the colors. The integers should be indices into the list of colors listed in the output of palette().
alpha | A logical value. If TRUE, the alpha (opacity) channel is returned. The default is FALSE.

Value
returns a three (or four, if alpha is TRUE) row matrix giving the red, green, blue, and possible alpha components of the input colors. The values are on a scale of 0 to 255.
See Also
rgb, rgb2hsv, adjustcolor.
Examples

    col2rgb(c("red", "#10fe60"))
    col2rgb(c("yellow", "#f0fe608f"), alpha=TRUE)

Package grDevices version 6.1.5-18
Package Index