cshake wrote:

> behavior at all? (possibly helpful addition: the original light color is way
> over rgb 1.0 (closer to rgb 1*10000), to allow for a distant light)

Sounds like a clipping effect. This would means your high intensity
color actually speficies the orange, not the yellow, but in the high
intensity areas the red channel is oversaturated and clipped to the
maximum supported by the output format (typically 8 bit), so the
ratio of red/green becomes smaller and thus more yellow-ish.

Try reducing the light intensity to observe the change.

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