[SML] Moving Light Colour Mixing philosophy question

Jerry Durand jdurand at durandinterstellar.com
Tue Jan 13 21:32:42 UTC 2026


on the simplistic side, with additive color, you only have 3-5 colors 
that you are mixing which limited pallet of possible outcomes.

with subtractive, you have essentially an infinite number of colors to 
start with and you're subtracting a small number of them.  The resulting 
pallet is very broad.

I would think the resulting color from subtractive is more evenly 
perceived by wide number of people.  Someone with limited vision that 
happens to be one of the few colors you have for additive mixing would 
see a much different color.  I think.


On 13-Jan-26 20:38, Jon Ares via Stagecraft wrote:
> I'm following this - I'd love to hear from "those that know" why CMY 
> flagging is still so prevalent. My theory has been that it comes down 
> to lumens, or perhaps "perceived" brightness, and engineers have found 
> that it's still easier (cheaper?) to start with a super-bright tuned 
> "white" source, then go back to subtractive color mixing to give it 
> color. But that's just a guess.
>
> Historically, and in my experience, the CMY mixing does a better job 
> of creating nice pastels and face light.
>
> My (former) space has a mix of ColorSources, Source Four LED Lustre 2, 
> Source4WRDs with gels, and Chauvet Maverick profiles. The Source4WRDs 
> with gels, and the S4LED2s gave the best delicate face light, followed 
> by the Chauvets (but the Mavericks are so bright, it's hard to compare 
> them).
>
> Very interested in hearing some facts on this....
>
>  - Jon
>



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