© UNT in partnership with TEA1 Advanced AV Production Color Theory

© UNT in partnership with TEA 1

Advanced AV Production

Color Theory

Color Theory

© UNT in partnership with TEA AAVTC: Advanced AV Production - Color Theory 2

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•Upon completionof this unit, youshould be able toexplain the additivecolor theory anddescribe how it isused in video.

What is Color?

© UNT in partnership with TEA AAVTC: Advanced AV Production - Color Theory 3

Color: “The appearance of objects or

light sources described in terms

of the individual’s perception of

them, involving hue, brightness,

and saturation.”

Webster’s II New College Dictionary

What is Color?

© UNT in partnership with TEA AAVTC: Advanced AV Production - Color Theory 4

Webster’s I New College Dictionary

Hue: “The dimension of color referred to a scale of perceptions ranging from red through yellow, green, and blue, and circularly back to red.”

What is Color?

© UNT in partnership with TEA AAVTC: Advanced AV Production - Color Theory 5

Webster’s I New College Dictionary

Brightness: “The dimension of color that represents its similarity to one of a series of achromatic colors ranging from very dim to very bright.”

What is Color?

© UNT in partnership with TEA AAVTC: Advanced AV Production - Color Theory 6

Webster’s I New College Dictionary

Saturation: “Degree of difference from a grey of the same lightness or brightness: vividness of hue.”

What is Color?

© UNT in partnership with TEA AAVTC: Advanced AV Production - Color Theory 7

In the video menu when you try to adjust the

color of you TV set.

Where do you see the use of:Hue, Saturation, Brightness ?

What is Color?

© UNT in partnership with TEA AAVTC: Advanced AV Production - Color Theory 8

Where do you see the use of:Hue, Saturation, Brightness ?

In the color palette menu

of your computer’s

paint program when you try to adjust or

choose a color.

The Color of Light

© UNT in partnership with TEA AAVTC: Advanced AV Production - Color Theory 9

Two Color Types

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Electronic Color Pigment-Based Color

Electronic Color

© UNT in partnership with TEA AAVTC: Advanced AV Production - Color Theory 11

Electronic color is used in video cameras and displayed on television and computer screens through the use of cathode-ray tubes (CRT).

Electronic Color

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Color monitors use three different types of phosphors that appear red, green, and blue when activated. These phosphors are placed close together, and when combined in differing intensities can produce any color.

Electronic Color

© UNT in partnership with TEA AAVTC: Advanced AV Production - Color Theory 13

Color video cameras use a prism system to split the light into the red, green, and blue signals.

Additive Primary Colors

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Red Green Blue

Additive Color Theory

© UNT in partnership with TEA AAVTC: Advanced AV Production - Color Theory 15

Blue

Red Green

Additive Color Theory

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Red GreenYellow

Green

+ Red

Yellow

Green

+ Red

Yellow

Additive Color Theory

© UNT in partnership with TEA AAVTC: Advanced AV Production - Color Theory 17

Blue

Red

Red

+ Blue

Magenta

Red

+ Blue

Magenta

Magenta

Additive Color Theory

© UNT in partnership with TEA AAVTC: Advanced AV Production - Color Theory 18

Green

Green+ BlueCyan

Green+ BlueCyan

Blue

Cyan

Additive Color Theory

© UNT in partnership with TEA AAVTC: Advanced AV Production - Color Theory 19

Green

Green+ BlueWhite

Green+ BlueWhite

Blue

Red

Red

White

Pigment Based Color

© UNT in partnership with TEA AAVTC: Advanced AV Production - Color Theory 20

Red

Pigment-based color is used in color printers, color filters, and color paints.

Pigment Based Color

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Red

Color printers use cyan, magenta , and yellow pigments. These pigments when combined in differing intensities can produce any color.

Subtractive Primary Colors

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Red

Magenta Yellow Cyan

Subtractive Color

© UNT in partnership with TEA AAVTC: Advanced AV Production - Color Theory 23

Red

Subtractive Color

© UNT in partnership with TEA AAVTC: Advanced AV Production - Color Theory 24

Red

BlueMagenta Cyan

Magenta

+Cyan

Blue

Magenta

+Cyan

Blue

Subtractive Color

© UNT in partnership with TEA AAVTC: Advanced AV Production - Color Theory 25

Red

Cyan

Green

Yellow

Yellow

+Cyan

Green

Yellow

+Cyan

Green

Subtractive Color

© UNT in partnership with TEA AAVTC: Advanced AV Production - Color Theory 26

Red Yellow

Red

Magenta

Magenta

+Yellow

Red

Magenta

+Yellow

Red

Subtractive Color

© UNT in partnership with TEA AAVTC: Advanced AV Production - Color Theory 27

Red Yellow

Red

MagentaBlue

Green

Cyan

Black

Yellow

Magenta

+ Cyan

Yellow

Magenta

+ Cyan

Black