Chapter 1. Color Management Background - Kodak
Chapter 1. Color Management Background - Kodak
Chapter 1. Color Management Background - Kodak
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<strong>Chapter</strong> <strong>1.</strong> <strong>Color</strong> <strong>Management</strong> <strong>Background</strong><br />
<strong>Color</strong> Science<br />
Object<br />
When light waves strike an object, the object’s surface absorbs some of<br />
the spectrum’s energy, while other parts of the spectrum are reflected<br />
back from the object.<br />
Three types of objects:<br />
Reflective Object<br />
Transmissive Object<br />
Emissive Object<br />
Observer<br />
Can see ~10 million different colors<br />
• MUNSELL Book of <strong>Color</strong>s – 1,225<br />
• PANTONE Matching System – 1,200<br />
<strong>Color</strong> vision over saturation<br />
• Best color decisions are made in the first 20 seconds of looking at a<br />
color<br />
<strong>Color</strong> Blindness<br />
Simultaneous Contrast<br />
<strong>Color</strong> Blindness / Deficiency<br />
• Monochromat<br />
• no functioning cones – completely color blind<br />
• Genetic, 10 out of a million<br />
• Dichromat<br />
• Missing one cone – can see some colors<br />
• More males than females (can carry the gene)<br />
• Statistics<br />
• 1 out of 12 males are color deficient<br />
• 1 out of 250 females are color deficient<br />
Chameleon Effect<br />
Eyes can play tricks on us<br />
• Simultaneous Contrast - surrounding colors affect target color<br />
• Chameleon effect – after image due to over saturation<br />
• Metamerism - colors that appear to match under one lighting<br />
condition, but not another<br />
• Caused by different wavelengths mixing to produce the same<br />
pattern of response in the 3 cone receptors<br />
1 - 2 CS600 System Controller
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