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Florescent light color

Discussion in 'Lighting' started by AZGuy, Jan 28, 2004.

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  1. AZGuy

    AZGuy Guest

    I've been playing around with "warm" florescent lights to soften the
    harshness of the normal commercial florescent tubes. My office has 18
    tubes in it (6 three tube fixtures). It's pretty bright. Out of
    those 18 tubes I replaced just two of them, one in each of two
    different fixtures, with a "warm" (more brownish/yellowish color)
    tube. Just having those two tubes our of 18 makes a very noticeable
    change in the overall tone of the light color. People often notice it
    right away when they come in and say "what's different in here".

    Questions - why does this small number of "warm" tubes overwhelm the
    "cold" light from the remaining 16 tubes to such a degree? I would
    think having all 18 tubes "warm" would be way to much of a good thing.
    Why don't they make a tube that's a happy medium between the usually
    "cool white" harsh tube and these "warm" ones. I've tried several and
    I can't find any middle ground.
    Elbridge Gerry, of Massachusetts:

    "What, sir, is the use of militia? It is to prevent the
    establishment of a standing army, the bane of liberty. . .
    Whenever Government means to invade the rights and liberties of
    the people, they always attempt to destroy the militia, in order
    to raise a standing army upon its ruins." -- Debate, U.S. House
    of Representatives, August 17, 1789
  2. What do the "cold" and "warm" bulbs you are working with, say on them?
    If we can identify what you've got, maybe we can help find something
    more suitable.

    Jeff Waymouth
  3. Because your "cold" lamps do not produce much light at the long
    wavelength end of the spectrum. So, adding even some "warm" lamps
    provides light at the missing wavelengths.
    Well, that is a matter of personal preference. Obviously, different
    people have different ideas about what constitutes good color, hence
    the range of color temperatures available on the market.
    Linear fluorescent lamps usually come in at least three color
    temperatures and range of CRI's.
    As Jeff said, until we know which lamps you have tried, we don't have
    enough information to make a suggestion.
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