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Another take on choosing the right CFL

post #1 of 3
Thread Starter 

Wired has a good article on choosing the correct color temperature to use with CFLs (something I wish I'd read before the last time I bought some).

 

It's a good supplement to the Picking Color Temperature For Your Lighting Wiki

post #2 of 3

That article is basically spot on.  2700k to 3000k is what you typically want for general lighting in the home.  The packaging for CFLs either tells you directly or shows you a chart of some sort refering to more yellow vs. more blue...

 

At the Home Depot - the n:Vision line is color coded.  The green packaging is the warm tones;  red is the cool tones. 

 

So many people don't pay attention to this and end up with blueish-white bulbs and tell me: "See, CFLs suck!"  -  I then try to let them know what has happened... and that regular tube style flourescents have the same type of selection and always have.  Most appreciate the info... some, feeling silly, not so much.  Oh well.

post #3 of 3

To add a different perspective to this discussion, my girlfriend and I both find the "warm white" color (~3000K) objectionable.  We have the bathrooms and the kitchen lit with ~5500K white and the bedrooms and the living room with ~4000K white.  It looks really good, much better than with warm white (in our opinion).  The few remaining warm white lamps we have look odd, and she will sometimes ask "what's wrong with that light" and I have to remind her that I haven't upgraded it to "real" white yet.  To my eyes the light does not start taking on a bluish tint until more like ~6500K.  A ~5500K white light only looks a little blue when compared to a ~3000K light (which is definitely reddish).  Take away the reddish light and the ~5500K white light looks "really" white.

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