rgb_properties: View a color's RGB components

In briandconnelly/colormod: Simple Tools for Manipulating Colors

Description

red, green, blue, and alpha return the values for those components in RGBA space.

Usage

red(col)

green(col)

blue(col)

alpha(col)

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" or "#rrggbbaa"(see rgb) a positive integer i meaning palette()[i]

Value

A number indicating the component value [0,1]

See Also

adjust_rgb to manipulate these components

Examples

# Get a color's blue-ness
blue("mediumpurple2")

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