Colour Theory Flashcards

1
Q

All of the following statements are true about colour EXCEPT:

A

it does not depend on the presence of light

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2
Q

What are the 3 primary colours?

A

red, blue and yellow

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3
Q

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

A

secondary

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4
Q

A mixture of red and yellow creates what color?

A

orange

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5
Q

Varying proportions of blue and yellow create what color?

A

green

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6
Q

An example of a tertiary color would be:

A

yellow-orange

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7
Q

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

A

gray

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8
Q

Which of the following combinations is NOT a tertiary color?

A

blue-yellow

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9
Q

Which of the following descriptions identifies warm colors?

A

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

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10
Q

Cool colors include:

A

blues

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11
Q

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

A

gray, black or brown

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12
Q

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

A

complementary colors

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13
Q

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

A

blue-based

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14
Q

A level 12 color is:

A

the lightest level

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15
Q

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

A

intensity

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16
Q

A small concentration of eumelanin will produce:

A

light blonde hair

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17
Q

A predominant amount of pheomelanin will produce:

18
Q

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

19
Q

Which type of porosity may take longer to absorb coloring?

20
Q

With resistant porosity, cuticles are:

21
Q

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

22
Q

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:

A

semi-permanent coloring

23
Q

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

A

leaves a line of demarcation

24
Q

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

25
Chemical services should not be performed on hair that has been colored with any of the following products EXCEPT:
weekly rinses
26
Hair color products that are mixed with a developer to create a chemical change are called:
oxidative color
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:
long-lasting semi-permanent
28
Long-lasting semi-permanent colors will generally last:
4 to 6 weeks
29
Demi-permanent colors are NOT designed to:
lighten existing color
30
Permanent hair colors are sometimes called:
oxidative tints with ammonia
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?
ammonia
32
hich of the following products requires the use of a skin patch test?
permanent color
33
What may be required if the desired amount of lift is not achieved using a single-process color?
prelightening
34
Which item is the most commonly used developer or oxidizing agent?
hydrogen peroxide
35
Which of the following statements is true of products that contain aniline derivatives?
a skin patch test is required
36
A 20 volume hydrogen peroxide solution will generally lift the hair:
two levels
37
A 30 volume hydrogen peroxide solution will generally lift the hair how many more levels than a 20 volume solution?
one level
38
Which product is used before a color service to provide an even base?
filler
39
Which of the following statements is true of lighteners?
used to diffuse or remove pigment
40
On-the-scalp lighteners have a pH of:
about 9.0
41
Off-the-scalp lighteners are generally used for:
special effects such as highlighting
42
Which process involves lightening the hair and then recoloring to the desired color result?
double-process