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From: Jeric@cup.portal.com
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To: lightwave-l@netcom.com
Subject: Re: Ambient Light Settings for daytime.
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Date: Fri, 28 Apr 95 00:24:32 PDT
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>On Wed, 26 Apr 1995, MICHAEL RICHARDS wrote:
><Snip>
>> So if anyone has some useful tips for outdoor lighting I'd
>> love to have them.
>
>I remember reading that for outdoor lighting, ambient light should have a
>certain percentage of blue (10%?) added to it because it is being
>reflected from the blue sky. I also think the sun should have a slightly
>yellow tint to it. Anyone have exact percentages based on the temperature
>of the sun? The blue tint will obviously depend on whether it's a clear
>day or overcast.
Don't know the RGB percentages, but for film purposes sunlight is
usually considered to be 5200 to 5600 degrees in color temperature,
depending on many factors (mostly weather) and time of day.
Incandescent light is usually between 3200 and 3600.
RGB numbers for these settings would be useful. Maybe if you
are color matching you can fake it by "white balancing" by eye by