Colour Theory

Question 1

All of the following statements are true about colour EXCEPT:

Answer 1

it does not depend on the presence of light

Question 2

What are the 3 primary colours?

Answer 2

red, blue and yellow

Question 3

What colors are produced by mixing 2 primary colors in varying proportions?

Answer 3

secondary

Question 4

A mixture of red and yellow creates what color?

Answer 4

orange

Question 5

Varying proportions of blue and yellow create what color?

Answer 5

green

Question 6

An example of a tertiary color would be:

Answer 6

yellow-orange

Question 7

Mixing varying proportions of a primary color with its neighboring secondary color will produce:

Answer 7

gray

Question 8

Which of the following combinations is NOT a tertiary color?

Answer 8

blue-yellow

Question 9

Which of the following descriptions identifies warm colors?

Answer 9

colors that fall into the orange and red half of the wheel

Question 10

Cool colors include:

Answer 10

blues

Question 11

Mixing colors found opposite one another on the color wheel produces which color?

Answer 11

gray, black or brown

Question 12

Colors found opposite each other on the color wheel are called:

Answer 12

complementary colors

Question 13

An application of which colors would help rid a client of unwanted orange tones?

Answer 13

blue-based

Question 14

A level 12 color is:

Answer 14

the lightest level

Question 15

The vividness, brightness or saturation of a color is referred to as:

Answer 15

intensity

Question 16

A small concentration of eumelanin will produce:

Answer 16

light blonde hair

Question 17

A predominant amount of pheomelanin will produce:

Answer 17

red hair

Question 18

Which hair texture may tend to process slightly lighter than the intended level?

Answer 18

coarse

Question 19

Which type of porosity may take longer to absorb coloring?

Answer 19

resistant

Question 20

With resistant porosity, cuticles are:

Answer 20

smooth

Question 21

Which colors coat only the surface of the cuticle and do not enter the cortex?

Answer 21

temporary

Question 22

A nonoxidative process that uses large and small color molecules and allows small color molecules to penetrate the cuticle and enter the cortex is called:

Answer 22

semi-permanent coloring

Question 23

Which of the following characteristics does NOT describe semi-permanent colors?

Answer 23

leaves a line of demarcation

Question 24

A vegetable dye that produces reddish highlights is commonly known as:

Answer 24

henna

Question 25

Chemical services should not be performed on hair that has been colored with any of the following products EXCEPT:

Answer 25

weekly rinses

Question 26

Hair color products that are mixed with a developer to create a chemical change are called:

Answer 26

oxidative color

Question 27

A type of hair color that uses a low-volume hydrogen peroxide that can only deposit color or add tone to the hair would be:

Answer 27

long-lasting semi-permanent

Question 28

Long-lasting semi-permanent colors will generally last:

Answer 28

4 to 6 weeks

Question 29

Demi-permanent colors are NOT designed to:

Answer 29

lighten existing color

Question 30

Permanent hair colors are sometimes called:

Answer 30

oxidative tints with ammonia

Question 31

The combination of hydrogen peroxide and which of the following items will allow for the lift and lightening of the hair’s natural color?

Answer 31

ammonia

Question 32

hich of the following products requires the use of a skin patch test?

Answer 32

permanent color

Question 33

What may be required if the desired amount of lift is not achieved using a single-process color?

Answer 33

prelightening

Question 34

Which item is the most commonly used developer or oxidizing agent?

Answer 34

hydrogen peroxide

Question 35

Which of the following statements is true of products that contain aniline derivatives?

Answer 35

a skin patch test is required

Question 36

A 20 volume hydrogen peroxide solution will generally lift the hair:

Answer 36

two levels

Question 37

A 30 volume hydrogen peroxide solution will generally lift the hair how many more levels than a 20 volume solution?

Answer 37

one level

Question 38

Which product is used before a color service to provide an even base?

Answer 38

filler

Question 39

Which of the following statements is true of lighteners?

Answer 39

used to diffuse or remove pigment

Question 40

On-the-scalp lighteners have a pH of:

Answer 40

about 9.0

Question 41

Off-the-scalp lighteners are generally used for:

Answer 41

special effects such as highlighting

Question 42

Which process involves lightening the hair and then recoloring to the desired color result?

Answer 42

double-process