distance {shades} | R Documentation |
Colour distance
Description
This function calculates a distance measure that aims to quantify the perceptual difference between a vector of colours and a reference colour. The measure in question is the CIE Delta E (2000), which is calculated based on colour coordinates in Lab space.
Usage
distance(shades, reference)
Arguments
shades |
One or more colours, in any suitable form (see
|
reference |
A single reference colour. |
Value
A numeric vector of distances.
Author(s)
Jon Clayden <code@clayden.org>
References
http://www.brucelindbloom.com/index.html?Eqn_DeltaE_CIE2000.html
Examples
distance(c("red","green","blue"), "red")
[Package shades version 1.4.0 Index]