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Computer Graphics > Colors Basics > Flashcards

Colors Basics Flashcards

1
Q

Types of Color
Theories

A
  1. Subtractive Theory
  2. Additive Theory
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2
Q

Subtractive Theory

A

The subtractive, or
pigment theory deals with
how white light is absorbed
and reflected off of coloured
surfaces. (Y,M,C,K) yellow, magenta, cyan, black

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3
Q

Additive Theory

A

The Additive, or light
theory deals with radiated
and filtered light. (R,G,B) red, green, blue

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4
Q

Subtractive Theory on black and white

A

Black absorbs most light
White reflects most light

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5
Q

What color theory is this: Colored pigments absorb light and reflect
only the frequency of the pigment color.

A

Subtractive Theory

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6
Q

All colors other than the pigment colors
are absorbed so this is called_____.

A

Subtractive Theory

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7
Q

The primary colors in Subtractive Theory
are:

A

– Cyan ( C )
– Magenta ( M )
– Yellow ( Y )
– Black ( K )

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8
Q

What color theory is used in printing and painting

A

Subtractive Theory

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9
Q

Additive Theory: on black and white

A

-Black radiates no light
-White radiates all light

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10
Q

Video is the process of capturing and
radiating light, therefore it uses______

A

Additive Theory

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11
Q

The primary colors in Additive Theory
are:

A
  • Red ( R )
    – Green ( G )
    – Blue ( B )
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12
Q

The primary colors add together to
make

A

white

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13
Q

Additive Theory is also called

A

Light theory

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14
Q

Light Theory is used in

A

Television,
theater lighting, computer monitors, and
video production.

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15
Q

The color wheel colours on the wheel can be described using three
specifications

A

1.Hue
2.Saturation
3.Value

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16
Q

Color wheel: Hue

A

: In degrees from
0˚ to 360˚

17
Q

Color Wheel: Saturation

A

brightness or dullness

18
Q

Color Wheel: Value

A

lightness or darkness

19
Q

Hue or Spectral color
is represented as an ?

A

Hue or Spectral color
is represented as an
angle.

20
Q

Hue:
Primary colors:
- 0˚ =
- 120˚ =
- 240˚=

A

0˚ = Red
* 120˚ = Green
* 240˚ = Blue

21
Q

Hue:
Secondary colors:
* 60˚ =
* 180˚ =
* 300˚ =

A

Secondary colors:
* 60˚ = Yellow
* 180˚ = Cyan
* 300˚ = Magenta

22
Q

Saturation or Chroma is
the intensity of a?

A

Saturation or Chroma is
the intensity of a color.

23
Q

A highly saturated color is
_____ and appears _____
to the edge of the wheel.

A

A highly saturated color is bright and appears closer to the edge of the wheel.

24
Q

A more unsaturated color is?

A

A more unsaturated color is dull

25
Q

A color with no saturation
is?

A

A color with no saturation
is achromatic or in the
grey scale.

26
Q

color Schemes:
9 Systematic ways of selecting colors

A
  • Monochromatic
  • Complementary
  • Analogous
  • Triadic
  • Split complmentary
  • Warm
  • Cool
  • Achromatic
  • Chromatic Grays
27
Q

color schemes: Monochromatic

A

One Hue (same color, many
tones and shades)
* Lasting Impact, Visual Interest

28
Q

color schemes: Complementary

A

colours that are opposite on the
wheel. High Contrast

29
Q

Complementary Color Scheme are:

A
  • High contrast
  • Exciting
  • Potentially tiring
  • Not good for text
30
Q

Split Complementary color Scheme:

A
  • Use colors
    adjacent to the
    complement
  • Less tension
  • Easy for
    beginners
31
Q

color schemes: Analogous is a ?

A

A selection of
colors that are adjacent.
Minimal contrast

32
Q

color schemes: Analogous

A
  1. Harmonious
  2. Natural
  3. Use unequally:
    – Choose one to
    dominate
    – One for support
    – One for accent
33
Q

color schemes: Triadic

(think triangle)

A

-Evenly-spaced
- Vibrant
- Choose one color
to dominate

34
Q

color schemes: Warm is the

A

: First half of the wheel
give warmer colors. The
colors of fire.

35
Q

color schemes: Cool is the

A

Second half of the
wheel gives cooler colors

36
Q

color sliders: RGB

A
  • Red
  • Green
  • Blue
    1.Used in video and computer
    graphics
    2. 3 values between 0-255
37
Q

color sliders: CMYK

A

CMYK
* Cyan
* Magenta
* Yellow
* K = Black
– Used for printing

38
Q

color viewers: RGB

A

RGB
* Red
* Green
* Blue
– Used in video and computer
graphics
– 3 values between 0-255

39
Q

color viewers: CMYK

A

CMYK
* Cyan
* Magenta
* Yellow
* K = Black
– Used for printing

Computer Graphics (13 decks)

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