how do i get RGB from HEX?

[Bengt Richter]

On Fri, 22 Mar 2002 16:49:24 +0000, Robin Becker <robin at jessikat.fsnet.co.uk> wrote:

>In article <a7flgu$cpg$1 at newsg1.svr.pol.co.uk>, G. Willoughby
><sab at NOSPAM.freeuk.com> writes
>>Hi,
>>    i have been trying to do this for to long now, i know there is an easy
>>way, please somebody put me out of my misery! i need to get the RGB value of
>>a HEX number (eg, #DCDCDC). can anyone help?
>>
>>thanks,
>>
>>G. Willoughby
>>
>>
>split into pairs after stripping the #
>
>>>> def rgb(h):
>...     n = eval('0x'+h[1:])
>...     return (n>>16)&0xff, (n>>8)&0xff, n&0xff
>... 
>>>> rgb('#DCDC0a')
             ,-^^
             |
            ???
             |
            vvv
>(220, 220, 220)
>>>> rgb('#DCDC0a')
>(220, 220, 10)
>>>> 
>
>I'm sure there's probably some better way, but the above works.

A little better ;-) Avoiding eval when possible, e.g.,

 >>> def rgb(h):
 ...     n = int(h[1:],16)
 ...     return (n>>16)&0xff, (n>>8)&0xff, n&0xff
 ...
 >>> rgb('#DCDCDC')
 (220, 220, 220)
 >>> rgb('#DCDC0a')
 (220, 220, 10)
 >>> rgb('#0a')
 (0, 0, 10)

Regards,
Bengt Richter