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Lighting Design Midterm
Color
30
Film, Theatre & Television
Undergraduate 3
02/21/2012

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Cards

Term
What is color? (physically)
Definition
- A perception created in the brain as a result of stimulation of the retina by light waves of a certain length.
- The intrinsic physical properties of specific objects to reflect and absorb light waves of a certain length
Term
All color is...
Definition
... derived from light
... IS RELATIVE
Term
Where are light receptor nerves located in the eyes?
Definition
There are two, rods and cones, and they are both located in the retina.
Term
Rods
Definition
Sensitive to brightness
Term
Cones
Definition
Three types of cones exist, one for each photo receptor field (color)
Term
The healthy human eye can see _________ colors.
Definition
between 150-200
Term
Color Blindness
Definition
Caused by a deficiency in cones
Term
Visible Spectrum of Light
Definition
Light at Different wavelengths appear as different colors to the human eye.
- Red, 650nm
-Orange
- Yellow, 570nm
- Green, 520nm
- Blue, 480nm
- Indigo
- Violet, 440nm
Term
Light that is not visible
Definition
- X-rays, microwaves, vhf
- The eye cannot register UV or infrared which fall within the visible light spectrum
Term
Hue
Definition
The quality that differentiates one color from another
Term
Saturation (chroma)
Definition
The amount, or percentage, of a particular hue in a color mixture
Term
Value
Definition
The relative lightness or darkness of a color
(See tint and shade)
Term
Tint
Definition
a color of high value (close to white)
Term
Shade
Definition
a color of low value (close to black)
Term
Primary Colors of PIGMENT
Definition
Red, Yellow, Blue
Term
Secondary Colors of PIGMENT
Definition
Orange, Purple, Green
Term
White (In PIGMENT)
Definition
The absence of all color
Term
The Primary Colors of LIGHT
Definition
Red, Green, Blue
Term
The Secondary Colors of LIGHT
Definition
Amber (Yellow), Magenta, Cyan
Term
Black (in LIGHT)
Definition
The absence of light/color
Term
Complementary Colors
Definition
- Any two hues that, when combined, yield white in light or black in pigment
- Colors that are opposite on the color wheel
Term
Subtractive color mixing
Definition
Colored Filters allow only their own hue to pass through; all other wavelengths are absorbed or reflected
Term
Additive Color Mixing
Definition
Several individual hues are transmitted to the eye, added together, and interpreted by the brain
Term
Warm Colors
Definition
Colors that make you feel warm (associated with the sun); red, yellow, orange
Term
Cool Colors
Definition
Colors that make you feel cool (associated with cold or night); Blue, green, purple
Term
Neutral Colors
Definition
Colors that when placed with a cool color appear warm; or when placed with a warm color appear cool. Amber, Lavender
Term
Gel
Definition
Gelatin... FOR REAL! We don't use real gelatin anymore.
Term
Plastic that Gels are made from
Definition
Still called gels, but are either mylar or polyester
Term
Glass (color media)
Definition
Only real use is in roundels used in striplights, pretty rare these days
Term
Dichroics
Definition
Glass Covered with film. Instead of absorbing the unwanted wavelengths of light they are reflected. They are awesome... and really expensive.
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