Chapter 6: Color

Question 1

Daylight (White Light) is _____ of the colors

Answer 1

ALL

Question 2

White is perceived when all colors in the spectrum are _____

Answer 2

reflected

Question 3

Black is perceived when all colors in the spectrum are _____

Answer 3

Absorbed

Question 4

color is not a ______ property of things we see

Answer 4

Physical

Question 5

The color of an object or surface is determined by?

Answer 5

its reflected or transmitted light

Question 6

These are all colors of which spectrum?
Green, Blue, Red
Yellow, Magenta, Cyan

Answer 6

Light Spectrum

Question 7

These are all colors of which spectrum?
Red, Yellow, Blue
Orange, Violet, Gree

Answer 7

Pigment Spectrum

Question 8

Spectrum is comprised of ______ ______ of color

Answer 8

Different Wavelengths

Question 9

What is the longest wavelength?

Answer 9

Red

Question 10

No Light = ___ ____

Answer 10

No Color

Question 11

What is the shortest wavelenght?

Answer 11

Violet

Question 12

How do we remember the spectrum colors?

Answer 12

as ROY G BIV

Question 13

If all colors are absorbed but red is reflected. What color are we seeing?

Answer 13

Red

Question 14

If blue gets reflected what color will we see?

Answer 14

Blue

Question 15

What Physiological factors affect color perception?

Answer 15

Brain, Eyes, Age of the individual

Question 16

When a color appears different altered based on a surrounding color this is?

Answer 16

Simultaneous Contrast

Question 17

Subjected perceptions of color can be affected by?

Answer 17

Psychology, cultural meanings, and life experiences

Question 18

Does light have color?

Answer 18

No

Question 19

Do objects have color?

Answer 19

No

Question 20

Where does color reside in a person?

Answer 20

The eye/brain system

Question 21

Color is dependent on?

Answer 21

the light source and reflectance properties of objects

Question 22

“Color vision” (colored light not pigment) is refered to as?

Answer 22

Hues

Question 23

____ ____ tells us that tomatoes are red, grass is green, etc.

Answer 23

Color Constancy

Question 24

all light and pigment colors can be grouped into ___ or ____

Answer 24

Warm or Cool

Question 25

As most of the lightwaves in cool light will be absorbed by the warm pigment the warm pigment will appear?

Answer 25

Dull

Question 26

Warm light ____ warm colors and ____ cool colors

Answer 26

Enhances; Neutralizes

Question 27

Cool light ___ Cool colors and ___ warm colors

Answer 27

Enhances; Neutralizes

Question 28

All light sources impact the perception of color this is quanitified via 2 methods. What are they?

Answer 28

1.Chromaticity or color temperature (aka CCT: Correlated Color Temperature) 2. Color-rendering index (CRI)

Question 29

Color has a _____

Answer 29

Temperature

Question 30

CCT measures with what unit of measurement?

Answer 30

Kelvin

Question 31

60,000K will produce what color of light?

Answer 31

Brilliant Blue

Question 32

2,800K will produce what color of light?

Answer 32

Warm Yellowish White

Question 33

800K will produce what color of light?

Answer 33

Heated Bar of Steel (Red Glow)

Question 34

This range of Kelvin is for what type of lamp? 2,600K-3,100K

Answer 34

Incandescent Lamps

Question 35

This range of Kelvin is for what type of lamp? 2,700K-7,500K

Answer 35

Flourescent Lamps

Question 36

CRI stands for?

Answer 36

Color-rendering index

Question 37

CRI measures?

Answer 37

how well a light source makes objects appear

Question 38

What is the index range of CRI?

Answer 38

0 to 100

Question 39

The higher the CRI number the ___ the color rendering ability of the lamp

Answer 39

Better

Question 40

The higher the number in CCT the ____ the color

Answer 40

Cooler

Question 41

A CRI of __ should be considered as minimum for most retail applications

Answer 41

80

Question 42

Colors light in value have ___ reflectance properties which and reflect ___ light

Answer 42

Higher; More

Question 43

Reflectance properties are designated in?

Answer 43

Percentages

Question 44

Two samples match under one light source, but not under a different light source can be defined as?

Answer 44

Metamerism

Question 45

Profile of color characteristics of lamps correlated with radiant power can be defined as?

Answer 45

Spectral-power distribution curves (SPD)`

Question 46

SPD stands for?

Answer 46

Spectral-power distribution curves

Question 47

The output of a light source can be characterized by its relative power at each wavelength can be defined as?

Answer 47

Spectral Power

Question 48

When information is graphed (power vs. wavelength) we call it?

Answer 48

Spectral Power Distribution (SPD)