LED Light Makeup Challenge: How Color Vision Works in Unusual Lighting @CassEris
LED Light Makeup Challenge: How Color Vision Works in Unusual Lighting  @CassEris
Uploaded April 2020 | Updated September 2026, 1 week ago
The outcomes of James Charles' LED Light Makeup challenge were usually not what people were expecting. This video covers what's going on with our color perception in colored lighting that led to the fun(ny) outcomes.


A couple notes:
- The photon and electrical signal are both traveling in the correct direction in the one animation. Light really does have to pass through all of the eye's wiring to get to the absorptive part, at least in humans... mammals... most animals. Animals like the octopus do not have this "feature."
- If you know your color theories, I am simplifying the full computations that happen.

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Music: zoeblade.com

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Timestamps
0:00 Unusual Color Vision
2:14 What we see color with
5:50 How we see color
8:47 Fun with colored lights
10:58 Color constancy
16:12 Wrap up


Book describing the movie practical effects (goes to a google book scan): tinyurl.com/ybqmbos3
James Charles' original challenge video: youtu.be/MUhR-lWJDuk
NikkieTutorials challenge attempt: youtu.be/5wEgw7R8FKk
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LED Light Makeup Challenge: How Color Vision Works in Unusual Lighting

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