1 Advanced AV Production Color Theory Copyright © Texas Education Agency, 2012. All rights reserved. Images and other multimedia content used with permission.

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Presentation transcript:

1 Advanced AV Production Color Theory Copyright © Texas Education Agency, All rights reserved. Images and other multimedia content used with permission.

Color Theory Copyright © Texas Education Agency, All rights reserved. Images and other multimedia content used with permission. 2 Upon completion of this unit, you will be able to explain the additive color theory and describe how it is used in video.

What is Color? “The appearance of objects or light sources described in terms of the individual’s perception of them, involving hue, brightness, and saturation.” Color. (n.d.). In Merriam-Webster Dictionary online. Retrieved from Copyright © Texas Education Agency, All rights reserved. Images and other multimedia content used with permission. 3 Color:Color:

What is Color? Hue. (n.d.). In Merriam-Webster Dictionary online. Retrieved from Hue:Hue: “The dimension of color referred to a scale of perceptions ranging from red through yellow, green, and blue, and circularly back to red.” Copyright © Texas Education Agency, All rights reserved. Images and other multimedia content used with permission. 4

What is Color? Hue. (n.d.). In Merriam-Webster Dictionary online. Retrieved from Brightness: “The dimension of color that represents its similarity to one of a series of achromatic colors ranging from very dim to very bright.” Copyright © Texas Education Agency, All rights reserved. Images and other multimedia content used with permission. 5

What is Color? Saturation. (n.d.). In Merriam-Webster Dictionary online. Retrieved from Saturation:Saturation: “Degree of difference from a grey of the same lightness or brightness: vividness of hue.” Copyright © Texas Education Agency, All rights reserved. Images and other multimedia content used with permission. 6

What is Color? 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 ? Copyright © Texas Education Agency, All rights reserved. Images and other multimedia content used with permission. 7

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. Copyright © Texas Education Agency, All rights reserved. Images and other multimedia content used with permission. 8

The Color of Light Copyright © Texas Education Agency, All rights reserved. Images and other multimedia content used with permission. 9

Two Color Types Electronic Color Pigment-Based Color Copyright © Texas Education Agency, All rights reserved. Images and other multimedia content used with permission. 10

Electronic Color Electronic color is used in video cameras and displayed on television and computer screens through the use of cathode-ray tubes (CRT). Copyright © Texas Education Agency, All rights reserved. Images and other multimedia content used with permission. 11

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. Copyright © Texas Education Agency, All rights reserved. Images and other multimedia content used with permission b_nyt.jpg

Electronic Color Color video cameras use a prism system to split the light into the red, green, and blue signals. Copyright © Texas Education Agency, All rights reserved. Images and other multimedia content used with permission. 13 CRT: 1. Three Electron guns (for red, green, and blue phosphor dots) 2. Electron beams 3. Focusing coils 4. Deflection coils 5. Anode connection 6. Mask for separating beams for red, green, and blue 7. Phosphor layer with red, green, and blue zones 8. Close-up of the phosphor-coated inner side of the screen r_enhanced.png/300px-CRT_color_enhanced.png

Additive Primary Colors RedGreenBlue Copyright © Texas Education Agency, All rights reserved. Images and other multimedia content used with permission. 14

Additive Color Theory Blue Red Green Copyright © Texas Education Agency, All rights reserved. Images and other multimedia content used with permission. 15

Additive Color Theory Red Green Yellow Green + Red Yellow Green + Red Yellow Copyright © Texas Education Agency, All rights reserved. Images and other multimedia content used with permission. 16

Additive Color Theory Blue Red + Blue Magenta Red + Blue Magenta Copyright © Texas Education Agency, All rights reserved. Images and other multimedia content used with permission. 17

Additive Color Theory Green + Blue Cyan Green + Blue Cyan Blue Cyan Copyright © Texas Education Agency, All rights reserved. Images and other multimedia content used with permission. 18

Additive Color Theory Green + Blue White Green + Blue White Blue Red White Copyright © Texas Education Agency, All rights reserved. Images and other multimedia content used with permission. 19

Pigment-Based Color Pigment-based color is used in color printers, color filters, and color paints. Copyright © Texas Education Agency, All rights reserved. Images and other multimedia content used with permission. 20

Pigment-Based Color Color printers use cyan, magenta, and yellow pigments. These pigments when combined in differing intensities can produce any color. Copyright © Texas Education Agency, All rights reserved. Images and other multimedia content used with permission. 21

Subtractive Primary Colors MagentaYellowCyan Copyright © Texas Education Agency, All rights reserved. Images and other multimedia content used with permission. 22

Subtractive Color Red Copyright © Texas Education Agency, All rights reserved. Images and other multimedia content used with permission. 23

Subtractive Color Red Blue MagentaCyan Magenta +Cyan Blue Magenta +Cyan Blue Copyright © Texas Education Agency, All rights reserved. Images and other multimedia content used with permission. 24

Subtractive Color Red Cyan Green Yellow +Cyan Green Yellow +Cyan Green Copyright © Texas Education Agency, All rights reserved. Images and other multimedia content used with permission. 25

Subtractive Color Red Yellow Red Magenta +Yellow Red Magenta +Yellow Red Copyright © Texas Education Agency, All rights reserved. Images and other multimedia content used with permission. 26

Subtractive Color Red Yellow Red Magenta Blue Green Cyan Black Yellow Magenta + Cyan Yellow Magenta + Cyan Black Copyright © Texas Education Agency, All rights reserved. Images and other multimedia content used with permission. 27