Converting a RGB-color to a named R-Color means looking for a color in the R-palette, which is nearest to the given RGB-color.
This function uses the minimum of squared distance (
"euclidean") or the minimum absolute distance (
"manhattan") as proximity measure.
RgbToLong() converts a RGB-color to a long integer in numeric format.
LongToRGB() does it the other way round.
1 2 3 4
the color in rgb code, say a matrix with the red, green and blue code in the rows.
character string specifying the color space to be used. Can be
character string specifying the metric to be used for calculating distances between the colors.
Available options are
It may not be clear from the start which method, rgb or hsv, yield the more natural results. Trying and comparing is a recommended strategy. Moreover the shortest numerical distance will not always be the best choice, when comparing the colours visually.
the name of the nearest found R color.
Andri Signorell <firstname.lastname@example.org>
ColToRgb and the other conversion functions
1 2 3
 "brown"  2763426
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.