W3C home > Mailing lists > Public > www-style@w3.org > September 2010

Re: [css4-color] #RGBA

From: Lea Verou <leaverou@gmail.com>
Date: Sat, 11 Sep 2010 18:31:03 +0300
Message-ID: <4C8BA0B7.9040601@gmail.com>
To: www-style@w3.org
CC: "Tab Atkins Jr." <jackalmage@gmail.com>
  HSL (and HSV) are just different (more intuitive) ways to refer to the 
RGB color space. They have the exact same gamut.

 From http://en.wikipedia.org/wiki/HSL_and_HSV:
> *HSL* and *HSV* are the two most common cylindrical-coordinate 
> <http://en.wikipedia.org/wiki/Cylindrical_coordinate_system> 
> representations of points in an RGB color model 
> <http://en.wikipedia.org/wiki/RGB_color_model>, which rearrange the 
> geometry of RGB in an attempt to be more perceptually 
> <http://en.wikipedia.org/wiki/Color_vision> relevant than the 
> cartesian <http://en.wikipedia.org/wiki/Cartesian_coordinate_system> 
> representation.

Lea Verou
Blog: leaverou.me <http://leaverou.me>
Twitter: http://twitter.com/LeaVerou
LinkedIn: http://gr.linkedin.com/in/leaverou

On 11/9/10 18:19, Tab Atkins Jr. wrote:
> On Sat, Sep 11, 2010 at 7:52 AM, Alan Gresley<alan@css-class.com>  wrote:
>> Tab Atkins Jr. wrote:
>>> As well, this isn't a race.  There are three color syntaxes.  The fact
>>> that two of them happen to refer to the same color-space is
>>> irrelevant.
>> HSL uses sRGB color-space.
> Right; I may be using the wrong term.  What I mean is that the volume
> carved out by the valid ranges of the parameters in abstract space,
> and the distribution of colors therein, is the same between rgb() and
> #rgb, but different for hsl().
>
> ~TJ
>
Received on Saturday, 11 September 2010 15:31:40 GMT

This archive was generated by hypermail 2.3.1 : Tuesday, 26 March 2013 17:20:31 GMT