shade {jjb}

Shade an RGB value

Description

The function shades or darkens an RGB value by adding black to the values.

Usage

shade(rgb_value, shade_factor = 0.1)

Arguments

rgb_value

A vector with length 3 \times 1.

shade_factor

A double that ranges between [0, 1].

Value

A matrix with dimensions 3 \times 1.

Examples

shade(c(22, 150, 230), shade_factor = 0.5)