From: "John Beamish" 

Which, as I read it, means that it would be difficult to get the soft
illumination that one can get from incandescent bults or "warm"
fluorescents.

On Sat, 03 Mar 2007 18:56:01 -0500, John Beckett
 wrote:

> "Geo."  wrote in message
news::
>> I don't see the problem, the LED lights that you stick in the ground are
>> yellow because the clear plastic that houses the light is yellow. I
>> would
>> guess they can make that plastic shield any color they want.
>
> I think that the light emitted by a LED is in a very narrow band of
> frequency (at least it was, when I learnt about LEDs). So a red LED
> emits light (almost) only at the red frequencies.
>
> Therefore, you can't just filter it to whatever colour you want.
>
> John
>

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