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INTRODUCTION TO COLOR THEORY José Luis CAIVANO [email protected] University of Buenos Aires and National Council for Research Argentine Color Group
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color introduction

Mar 13, 2016

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Jose Caivano

Introduction to color theory

color theoryjos luis

nmprimary sourcesobjetcs

ofthe processpsychical

primary source physical

psychophysical phenomenon

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Page 1: color introduction

INTRODUCTION TO COLOR THEORY

José Luis CAIVANO [email protected]

University of Buenos Airesand National Council for Research

Argentine Color Group

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electromagnetic spectrum

visible spectrum380 nm 780 nm

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primary sources

objetcs that emit light

secondary sources

objects that reflect or transmit light coming from a primary source

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physical part ofthe process

psychical part of the process

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Color as a psychophysical phenomenon

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. . . if at any time I speak of Light and Rays ascoloured . . . I would be understood to speak not philosophically and properly, but grossly, and accordingly to such Conceptions as vulgarPeople . . . would be apt to frame. For the Rays to speak properly are not coloured.

NewtonOptics, 1704:

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human vision

dog vision

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16 triple cells

16

cells

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cyan magenta yellow

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subtractive mixture

magenta

cyanyellow

red blue

green

black

amarillo

additive mixture

green

blue

red

cyanmagenta

white

yellow

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blanco

amarillo

cian

magenta

azul

rojo

verde

negro

blanco

amarillo

cian

magenta

azul

rojo

verde

negro

blanco

amarillo

cian

magenta

blanco

amarillo

cian

magenta

azul

rojo

verde

negro

azul

rojo

verde

negro

white

yellow

cyan

magenta

blue

red

green

black

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light

back

of

the e

ye

fro

nt

of

the e

ye

con

ero

d

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white

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red

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green

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blue

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yellow

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magenta

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cyan

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D50 illuminant

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TL84 illuminant

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A illuminant

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UV radiation

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simultaneous contrast

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simultaneous contrast

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simultaneous contrast

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simultaneous contrast

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France

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chromatic adaptation

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chromatic adaptation

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normal vision

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protanopia

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deuteranopia

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tritanopia

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Metamerism due to a change in the illuminant

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Metamerism due to a change in the observer

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Association Internationale de la CouleurInternational Color AssociationInternationale Vereinigung für die Farbe

www.aic-color.org


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