wavelength:: 590-620 nm
emotion:: disgust
bridges red and yellow — the transition between threat and alert
evolutionary signal: decay, rot, toxic substances, contamination
properties
warmth without the aggression of red
high visibility — used universally for caution and construction
the color of oxidation, rust, autumn leaves, decomposition
in nature
rotting fruit: the shift from edible to dangerous
fire embers: residual heat, lingering danger
autumn foliage: chlorophyll retreating, carotenoids revealed — the signal of seasonal death
venomous creatures: monarch butterflies, coral snakes
in prysm
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