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Humans can see
400-700 nm
Wavelengths
Distance from one wave peak to the next—color or hue. Shorter blue, taller red
Amplitude
Wave height—intesity=brightness
Young Hernandez trichromatic theory
3 types of cones for 3 different colors of light
Opponent process theory
Color system is either/or. Color mixing. Red/green, blue/yellow, black/white. Afterimages—fatigue from overusing a system
Gestalt
Figure ground—stand out object. Proximity—Objects grouped as one complete object. Similarity—Group objects similar like they’re one. Closure—Tendency to complete/close incomplete objects