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Media Technology . Color Theory. Color Theory. Upon completion of this unit, you should be able to explain the additive color theory and describe how it is used in video. What is Color?. C o l o r :. “The appearance of objects or light sources described in terms of the

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media technology

Media Technology

Color Theory

slide2

Color Theory

  • Upon completion of this unit, you should be able to explain the additive color theory and describe how it is used in video.

Media Technology I: Color Theory

what is color
What is Color?

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

Media Technology I: Color Theory

what is color4
What is Color?

Hue:

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

Webster’s II New College Dictionary

Media Technology I: Color Theory

what is color5
What is Color?

Brightness:

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

Webster’s II New College Dictionary

Media Technology I: Color Theory

what is color6
What is Color?

Saturation:

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

Webster’s II New College Dictionary

Media Technology I: Color Theory

what is color7
What is Color?

Where do you see the use of:

Hue, Saturation, Brightness ?

In the video menu when you try to adjust the color of you TV set.

Media Technology I: Color Theory

what is color8
What is Color?

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.

Media Technology I: Color Theory

the color of light
The Color of Light

Media Technology I: Color Theory

two color types
Two Color Types

Electronic Color

Pigment-Based Color

Media Technology I: Color Theory

electronic color
Electronic Color

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

Media Technology I: Color Theory

electronic color12
Electronic Color

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.

Media Technology I: Color Theory

electronic color13
Electronic Color

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

Media Technology I: Color Theory

additive primary colors
Additive Primary Colors

Red

Green

Blue

Media Technology I: Color Theory

slide15

Additive Color Theory

Red

Green

Blue

Media Technology I: Color Theory

slide16

Additive Color Theory

Red

Magenta

Red

+ Blue

Magenta

Blue

Media Technology I: Color Theory

slide17

Additive Color Theory

Red

Green

Yellow

Green

+ Red

Yellow

Media Technology I: Color Theory

slide18

Additive Color Theory

Green

Cyan

Green

+ Blue

Cyan

Blue

Media Technology I: Color Theory

slide19

Additive Color Theory

Red

Green

White

Red

Green

+ Blue

Blue

White

Media Technology I: Color Theory

pigment based color
Pigment-Based Color

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

Media Technology I: Color Theory

pigment based color21
Pigment-Based Color

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

Media Technology I: Color Theory

subtractive primary colors
Subtractive Primary Colors

Magenta

Yellow

Cyan

Media Technology I: Color Theory

subtractive color
Subtractive Color

Media Technology I: Color Theory

slide24

Subtractive Color

Magenta

+Cyan

Blue

Cyan

Magenta

Blue

Media Technology I: Color Theory

slide25

Subtractive Color

Yellow

+Cyan

Green

Yellow

Green

Cyan

Media Technology I: Color Theory

slide26

Subtractive Color

Magenta

+Yellow

Red

Yellow

Red

Magenta

Media Technology I: Color Theory

slide27

Subtractive Color

Yellow

Magenta

+ Cyan

Yellow

Red

Green

Black

Black

Cyan

Magenta

Blue

Media Technology I: Color Theory

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