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From: Lennart Borgman <lennart.borgman@gmail.com>
To: Drew Adams <drew.adams@oracle.com>
Cc: emacs help <help-gnu-emacs@gnu.org>
Subject: Re: cieluv <-> rgb conversion
Date: Sat, 1 Aug 2009 00:48:39 +0200	[thread overview]
Message-ID: <e01d8a50907311548ue320e31kf27eb9837ee6be63@mail.gmail.com> (raw)
In-Reply-To: <87746D765FEB4107A5A37140C29370D1@us.oracle.com>

On Sat, Aug 1, 2009 at 12:45 AM, Drew Adams<drew.adams@oracle.com> wrote:
>> Anyone have algorithms in elisp for color conversions cieluv <-> rgb?
>
> Dunno. But HSV is perhaps close enough? If so:
> http://www.emacswiki.org/cgi-bin/wiki/hexrgb.el
>
> Even if not, you can probably adapt the code there by adapting the HSV <-> RGB
> conversion algorithms.

Thanks, but I am looking for a color representation where you could
easily measure the color difference as we see them as humans. CIE Luv
is one such that seems good.




  reply	other threads:[~2009-07-31 22:48 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-31 22:20 cieluv <-> rgb conversion Lennart Borgman
2009-07-31 22:45 ` Drew Adams
2009-07-31 22:48   ` Lennart Borgman [this message]
2009-07-31 23:07     ` Drew Adams

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