[NetBehaviour] Random Colour Entries of the World

James Morris jwm.art.net at gmail.com
Fri Nov 19 10:48:46 CET 2010


On 19 November 2010 09:46, James Morris <jwm.art.net at gmail.com> wrote:
> I'm working a lot with a program that generates random palettes of
> colour where a palette consists of 256 colour entries. Each entry
> consists of the R, G, and B components. The program only allows you to
> work with a range of colours such that you can say "I want (256 *
> 0.05) random R components, (256 * 0.08) random G components, and  (0.2
> * 256) random B components" (specifying how many random entries
> expressed as ratios of the total number of entries is one of this
> program's many idiosyncrasies).
>
> Taking the above example, means (roughly) generate 12 random numbers
> to be used as Red components and spread them evenly across the 256
> entries, then interpolate to fill in the remaining entries between
> each of them. Do the same for the Green components, only use 20 random
> numbers instead, and for the Blue components use 51 random numbers.
>
> Attached are three examples of the colour palettes typically
> generated. The filenames of the attachments indicate how many random
> entries for each component are generated.
>
> The question is, if there was a colour palette for the all the colours
> in the world (I'd increase the number of entries in the palette to
> 16777216) and this palette was filled with all the colours of the
> world... and one wanted derive from that colour palette a random
> colour palette, what would one use as the random ratios for each of
> the R, G, and B components?

Actually the real question is, given all the colours in the world,
which of the colour components has the greatest frequency of
variations , R, G, or B ?



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