Shade an RGB value

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)
#> [1]  11  75 115