Color In Light Flashcards

(67 cards)

1
Q

How colored light is obtained

A

Placing a transparency before a white light

Painted bulbs

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2
Q

Inefficiency of color filters

A

Much of the wattage of a white bulb is lost (absorbed) in passing through a coloring agent

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3
Q

Vivid hues

A

Transmit only a small percentage of the light and absorb the rest

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4
Q

Pale tints (unsaturated colors)

A

Transmit a greater percentage of the light

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5
Q

Effect of incandescent light on cosmetics and the environment

A

High in yellow
Favorable to most cosmetic colors
Better for highlighting fabric textures and woodgrains of caskets
Downward thrust

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6
Q

Effect of fluorescent light on cosmetics and environment

A

Gives more illumination but lacks the downward thrust
The color of some objects they illuminate appear dull and faded
High in green and blue but lack adequate red

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7
Q

Measurements of colored light

A

Additive

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8
Q

Dimensions of colored light

A

Hue
Brightness
Saturation

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9
Q

Hue

A

The name of the chromatic color measurable in microns

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10
Q

Brightness

A

AKA Brilliance

Dependent on the quantity of illumination passing through a color media

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11
Q

Fully saturated color

A

Hue is pure and vivid

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12
Q

Complementary hues

A

When 2 complementary hues are both directed toward the same surface the wave lengths mix to form white light

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13
Q

Unsaturated color

A

Results when there is an excess of one of the complements and very little of the other

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14
Q

Additive method of mixing colored light

A

Wave lengths add together upon the surface

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15
Q

White light can be produced by the mixture of the

A

Three primary colors

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16
Q

Primary colors of light

A

Red green blue

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17
Q

Correct mixture of the primary hues can form

A

every other hue

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18
Q

Secondary hues of light

A

Yellow, blue green, magenta

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19
Q

Secondary hues of the additive method are the

A

primary hue of the subtractive method

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20
Q

The primary hues of the subtractive method are the

A

secondary hues of the additive method

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21
Q

Equal mixture of these produce white

A

Complement

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22
Q

This involves the diminution of the wave the wave lengths of light

A

Subtractive method

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23
Q

Reduction can be gradually extended to a point where a complete

A

blackout results

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24
Q

Application of subtractive method

A

One light source with two or more filters

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25
Primary hues for subtractive method
Yellow, magenta, blue green
26
The hue of an object appears more vivid when seen under the same hue of illumination
Emphasis
27
When two values or intensities of the same hue are present, the larger area appears more vivid while the smaller, more washed out
Absorption
28
If the hue of an object and the illumination differ, the color of the object will either be converted into a different or be obliterated
Conversion
29
Direct lighting Refers to the movement of light rays in a straight line from the light source Creates a sharp shadows Intensifies the contrasts of light and dark areas Emphasizes source detail
Point Lighting
30
Point lighting is supplied by
``` Incandescent lamps Flood lights/spotlights Chandeliers Wall pendants Panel lights Luminous light boxes ```
31
By placing a diffusing apparatus upon a point light, the light rays bounce against it and the direct path is altered to become semi diffused
Semi diffused light
32
Semi-diffused lighting modifies
the contrasts of light and dark areas | Cast shadow is barely discernible
33
The light rays are scattered in all directions in all directions from the light source
Diffused (flat) lighting
34
Generally identified as indirect lighting such as when light is bounced off the ceiling or walls
Diffused (flat) lighting
35
Equally illuminates little contrast between light and dark areas No real shadow is cast
Diffused (flat) lighting
36
Floor lamps used for funeral settings
Torchiere lamps
37
Two types of fixtures for torchiere lamps
Totally indirect | Semi-indirect
38
The bowl is opaque causing all the light ray to be thrown toward the ceiling then reflected downward into completely diffused lighting
Totally indirect
39
Lighting is easiest on the viewers eyes
Totally indirect
40
Natural shadows of the face are diminished
Totally indirect
41
The bowl is translucent allowing the transmission of direct and indirect rays
Semi Indirect
42
Indirect rays greatly __________ the direct ones
Exceed
43
Direct rays from the two torchiers at the casket may
subdue normally shadowed areas | Cause a cast shadow if poorly located
44
A concave boxlike fixture extending around the walls of the room interior, several feet from the veiling
Cove lighting
45
Types of lamps for cove lighting
Incandescent or fluorescent
46
Direction of illumination for cove lighting
Upward
47
Type of illumination for cove lighting
Diffused, area illumination
48
A recess in the wall for the casket, with lighting behind the top and side walls
Alcove lighting
49
A long, narrow recepticle with a reflecting surface within
Trough lighting
50
Usually available with three series of colored or uncolored incandescent lamps alternated
Trough lighting
51
Some fixtures for trough lighting have these attached
Transparencies
52
Trough lighting is hidden behind
A ceiling joist or arch
53
Large luminous light fixture, usually fluorescent lighting
Dome lighting
54
Dome lighting is normally mounted
on the ceiling or recessed so it is level with the ceiling
55
Dome lighting is used for
direct lumination
56
A plastic shield is used in dome lighting to
diffuse the light
57
These incandescent lights are used to illuminate the casket or flowers
Flood or spot lighting
58
A hanging lamp, providing semi-diffused incandescent illumination
Chandelier
59
Because of their location, there is usually no effect with these
Candelabra
60
When close to the casket it may illuminate the deceased
Candle lighting
61
Supplies both direct and indirect lighting, and may need supplementary lighting
Table and floor lamp lighting
62
Hung on the open lid of the casket, but creates shadows
Casket Lamp Lighting
63
If a hue is held in the line of vision and the eyes become over stimulated, the complement will be seen when the stimulus is removed
After-Image
64
Two hues which are justaposed modify the appearance of each other If they are complementary, they make each other appear more vivid If not complementary, they dull each other
Simultaneous Contrast
65
Around the edge of a hue which is focused steadily will appear a fringe of another hue which is complementary
Fringe
66
If two non-complementary hues are juxtaposed and there is a sufficient quantity of the hue being fixated, the over stimulation of one raises its complement and mixes it with the background color to yield a new hue
Interaction of hues
67
The nerve endings in the retina of the eye can very easily become tired through overstimulation by a single hue
Eye fatigue