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post #1 of 3 Old 07-31-2014, 09:24 AM - Thread Starter
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Encycolorpedia

It has been a very long time since I posted here, but in an effort to find a wall paint that would not color cast photos if I bounce flashed off of it and/or that I could click on in a RAW file to use to set white balance, I came across this site...

http://encycolorpedia.com/cacaca

Those last 4 characters are hexadecimal values for RGB. If you give it a color in RGB it will return a set of the closest commercially named paint colors. It might come in handy for settling those screen shade debates that I remember from days long past. Behr Silver Screen is indeed the most neutral I have found so far among the widely available consumer brands (assuming their data is accurate). It might be a bit too dark for today's projectors (with better black levels), but it is pretty close to neutral... just slightly yellow.
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post #2 of 3 Old 07-31-2014, 09:50 AM - Thread Starter
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Silver Screen
http://encycolorpedia.com/cacbca

Cultured Pearl
http://encycolorpedia.com/d7d8d7
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post #3 of 3 Old 07-31-2014, 10:06 AM
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It's all about what can be considered practical ad-judgement of just how close to "perfect" something needs to be.

In your case, when bounce flashing off a surface when using a reference level Flash, the raw umber in SS would have to react, albeit very slightly. Enough to really matter? Only you can judge.

For all extent and purposes, when "projecting" onto SS, the extremely small amount of adjustment via calibration required to get to neutral makes SS among the best of choices. Of course that flew in the faces of those who condemned SS on the basis of it not being absolutely perfect. That....and the fact that "as is" it delivers a sub unity gain surface. SS is what it is, that's all that it is, and all it purports to be. Which BTW happens to be more than adaquate for many people,.

That Auto Table is pretty cool. Thanks for introducing it.

To quote James T. Kirk;
"I'm laughing at the superior intellect"

http://www.invisiblestereo.com
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