Hue, chroma, saturation, colorfulness lightness, brightness
Hue, chroma, saturation, colorfulness lightness, brightness
Hue, chroma, saturation, colorfulness lightness, brightness
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• Value alone defines shape<br />
– No edge without <strong>lightness</strong> change<br />
– No shading with out <strong>lightness</strong> variation<br />
• Value difference defines contrast<br />
– Defines legibility<br />
– Use at least 3:1 luminance contrast for text clarity<br />
– Controls attention<br />
© Pfister/Möller<br />
Modified from Maureen Stone
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