From: Jeremy Hinegardner <jeremy@...>
Date: 2007-12-01T05:12:38+09:00
Subject: Re: Convert HEX to RGB

On Fri, Nov 30, 2007 at 07:59:15PM +0900, Eust?quio 'TaQ' Rangel wrote:
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> 
> > Ummm... This is a really clever solution, except if you have a hex value 
> > that you need to convert into an rgb array, it is probably a string, not 
> > an integer literal. Is there an easy way to convert a hex string 
> > directly into an integer literal?
> 
> Gimme a good and old blue RGB:
> 
> >> "101aff".scan(/../).map {|color| color.to_i(16)}
> => [16, 26, 255]

Or use color (http://rubyforge.org/projects/color/)

require 'rubygems'
require 'color'

c = Color::RGB.from_html("101aff")
c.css_rgb                   # => rgb(6.27%, 10.20%, 100.00%)
[c.red, c.green, c.blue]    # => [16.0, 26.0, 255.0]

enjoy,

-jeremy

-- 
========================================================================
 Jeremy Hinegardner                              jeremy@hinegardner.org