color

we have 3 types of cones that detect blue, red , & green

when cones are activated in dif combinations they can produce all the colors of the visible specturm

if you stare at color for a while your sesors get tired of hat color so you see the opppinent color for an after imagr

ewald hering

receptors come in pairs

green

blue

color sensors come in pairs and if your missing a pair youll have trouble seeing those hues

• same as name of color
• related to wavelength

intensity of the light

richness of light