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Most of these images have appeared in publications and are therefore copyrighted material. Click on the icons below to see the images and to obtain information about where each image was published. We are generally happy to support reproduction requests. The images are compressed versions of the originals. Please contact us for the original versions. See also Gallery 2 and Gallery 3.



Colour constrast and assimilation

 


Hering colour opponency

 

Watercolour illusion
 


Boynton Illusion

 
 
 

Colour mixing
 

CIE x,y chromaticity diagram
 

2-stage post-receptoral model
 

3-stage post-receptoral model
             

Light levels
 

Rod pathways
 

Phototransduction cascade
 

Pugh & Mollon model
             

McCollough effect
 

DKL space
 

RGB space
 

LMS space