hex:: #ffff00
wavelength:: 570-590 nm
emotion:: surprise
symbol:: light · clarity · attention
the brightest color in the visible spectrum by luminance
evolutionary signal: sudden light, dawn, alerting patterns, attention grab
properties
- highest luminance — the first color the eye detects
- triggers orienting response: turn, look, assess
- the color of gold, sulfur, sunlight, pollen
in nature
- warning patterns: wasps, bees, poison dart frogs — yellow-and-black means danger
- flowers: pollinator attractant, advertising nectar
- dawn and dusk: the transitional light, the moment of change
- lightning: sudden discharge, raw energy
in prysm
- attention needed, new event, unexpected state change, notification
- the alert signal — something just happened, orient yourself
one of the seven of color — the spectrum bent into cyberia's flag