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Hue, chroma, saturation, colorfulness lightness, brightness

Hue, chroma, saturation, colorfulness lightness, brightness

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Opponent Color<br />

• Definition<br />

– A<strong>chroma</strong>tic axis<br />

– R-G and Y-B axis<br />

– Separate <strong>lightness</strong><br />

from <strong>chroma</strong> channels<br />

• Occurs in retina<br />

Courtesy of Maureen Stone<br />

© Pfister/Möller

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