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Here: And, if this is more your thing, here: Of course,… - Blather, Rinse, Repeat
July 20th, 2007
12:03 am

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Here:



And, if this is more your thing, here:



Of course, there's a twin of this color layout (swap vertical pairs of dots with horizontal pairs). I haven't tried the twin yet, but this layout is much nicer than the crazy thing I was working with earlier in the evening. All of the dots are the same distance from their nearest neighbor (but a little ring of 5 dots isn't a regular pentagon - that's going to have to be OK).

There's still 5 different colors under the vague category of "green", and 3 distinct "pink" colors, but I think I can work with this.

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From:piehead
Date:July 20th, 2007 03:14 pm (UTC)
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I remember reading an article, a long time ago, maybe in a DDJ or something, about OS/2. There was a brief bit with the guy who picked out the default color palette. This would have been in the "256 colors is a lot" era, where the OS reserved maybe 32 palette entries or so. OS/2 had more greens and blues than the 16 EGA+some more that Windows 3.x used, because the eye could differentiate blues and greens better.
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From:tsmaster
Date:July 20th, 2007 03:33 pm (UTC)
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Hm, my recollection was that the eye could differentiate greens best, followed by reds, followed by blues.

Clearly, this is a reminder to myself that I'm not a specialist in human perception, and I should dig in a little bit to where the human visual system sees detail, and where it doesn't.

Now that I've got a satisfactory way to spread 20 samples out over a three-dimensional color cube, it won't be difficult to swap out the RGB cube with a YUV colorspace, but is the YUV space cubical? I recall at least one color space that was a pair of cones, which I could sample with a pattern similar to my original plan.


The ultimate application of this poking around is for the basis of a magic system for a computer role playing game. By evenly distributing the colors geometrically, I'll have the ability to make mystical mandala-like diagrams that look important. If I were to sample the human perceptual response space, I'm not sure I'd get something as elegant.
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