COLOR

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COLOR
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Fun- loving Talkative
Confident Dependable
Passionate High Energy
Trustworthy Well-Balanced
Lively Unpredictable
Creative Original
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The most attention-getting?
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Babies are most likely to cry in a room painted
this color.
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Most likely to lessen someones appetite
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People tend to relax more in a room painted this
color.
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Can cause a loss of energy
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INK
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CONSTRUCTION OF INK
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INK IS MADE UP OF THREE COMPONENTS

• Pigment Colorant
• Varnish Vehicle
• Additives Adjusters

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Pigments
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Here are a few popular choices for yellow
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Resin
VARNISH
Resins make varnish the vehicle that transfers
pigment down the roller train to the paper
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Lab Bottles
ADDITIVES
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All spot or PMS colors are made from these ten
mixing bases
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What is Color?

• Why is the grass green?

Why is the grass green?
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Objects are Reflectors!
Light IS COLOR!
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ADDITIVE PRIMARIES
SUBTRACTIVE PRIMARIES
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Green Looks Green Because...
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The Elements of Color
Illumination - a light source
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The Elements of Color
Illumination - a light source Sample or object to
interact with the light energy
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The Elements of Color
Illumination - a light source Sample or object to
interact with the light energy A receiver and
processor
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A Three Part System
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A Three Part System
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Diagram of a Spectrophotometer
Uses 16 Filters to break up light
receiver
lamp
optics
M 1.54
filters
aperture
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NANOMETERS
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Illuminant D65 Daylight
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Illuminant A Incandescent
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Illuminant F2 Cool White Fluorescent
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METAMERISM
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Light is Color
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Press Check
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Colorblindness 1 in every 13 males suffers from
red-green colorblindness.
1 in every 300 females Age As we age
our color perceptions change. The
corneal lens yellows and becomes less flexible
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SUBSTRATE
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Color Management

• The coated stock is smooth and glossy. The ink
  will appear smooth and glossy as well.
• The Uncoated stock is rough with many peaks and
  valleys. Inks will not lay smoothly over this
  stock and therefore will appear duller.

White Coated Paper
White Uncoated Paper
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Looks like a 1.54 Magenta
INSTRUMENT RATED
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DENSITY Also known as reflection density, density
is the ability of a material to absorb light
the darker the material the higher the density.
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Mechanical Vs Optical Dot Gain

• Mechanical
• Any physical growth of the dot
• Doubling or slurring
• Growth created by pressure of the press
• Optical
• Dot gain due to light scattered / absorbed by
  substrate
• Shadowing effect

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Even though no real gray is present, we must
compensate for the optical illusion of gray.

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PRINT CONTRAST
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TRAP
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Language of Color Management Gamut

• Gamut is how much color or the boundary of
  color of a device

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Language of Color Management Color
Transform

• Color transform is where the rubber hits the
  road
• An on-the-fly lookup table is generated based on
  profiles

Profile 1 - Input
Etc
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Language of Color Management Color Transform

• Color transform is where the rubber hits the
  road
• An on-the-fly lookup table is generated based on
  profiles

Profile 2 - Output
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Concept of device independent color management

• Device INDEPENDENT color management uses a
  universal translator to optimize color between
  devices

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Language of Color Management
Color Transform

• Color transform is where the rubber hits the
  road
• An on-the-fly lookup table is generated based on
  profiles

Profile 1 - Input
Profile 2 - Output
Etc
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Language of Color Management Color
Profile

• Profile is a lookup table between a device and
  our independent color space
• Saved as a file in a standard format defined by
  the ICC (International Color Consortium)

Etc
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Blank that follows green flag
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Stare at the black cross in the center and notice
a green dot rotating. Now try concentrating on
the cross for a long time. However, nowhere does
green exist in this illusion except in your
brain! If you follow the movement of the rotating
green dot, the green will disappear.
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Retinal fatigue
Brief exposure to strong colors leaves an after
image
Considerable rest may be needed to let the eye
recover
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