Color Theory
pH
Oxidative and Non Oxidative Color
Color Tools & Essentials
Color Skills
100

Yellow, Red, and Blue

What are Primary Colors?

100

Potential hydrogen; unit of measurement that indicates whether a substance is acidic, alkaline or neutral.

What is pH?

100

An acidic oxidizing agent, most frequently hydrogen peroxide, that activates oxidative color and lighteners.

What is developer?

100

Variety of hand-held tools used for different effects; selected based on the desired end result and personal preference.

What are color tools?

100

Base application of color or lightener to the new growth only to match the existing color.

What is a color retouch?

200

Colors opposite each other on the color wheel; can be placed next to each other in a design for contrast or mixed to neutralize/cancel out one another.

What are Complementary Colors?

200

A logarithmic scale that ranges from 0-14; substances with a pH less than 7 are acidic; substances with a pH more than 7 are alkaline; substances with a pH of 7 are neutral.

What is pH Scale ?

200

Deposit color and cannot lighten the hair; direct-dye color that needs no mixing; generally last through several shampoos, depending on the porosity of the hair.

What is Semi-Permanent Hair Color ?

200

Tool used to isolate colored or lightened hair from non-colored hair to prevent product “bleeding.”

What is plastic wrap?

200

Technique used to isolate straight partings to be treated with color or lightener.

What is slicing?

300

Vibrancy brightness or vividness of a color; also referred to as saturation.

What is intensity?

300


Indicates equal number of positive hydrogen ions and negative hydroxide ions; measures 7 on the pH scale.

What is neutral?

300

An obvious difference between two colors along the hairstrand; can be a result of new growth or overlapping product onto previously color-treated hair.

What is a Line of Demarcation?

300

Color supply used to isolate the colored hair from uncolored hair; commonly used for highlighting.

What are foils?

300

Technique in which a tool or color brush is used to strategically position color or lightener on parts of the hair; examples include balayage and ombré.

What is Freeform Painting?

400

Created by mixing primary colors with their neighboring secondary color in varying proportions;

What are Tertiary Colors?

400

A product with a pH from 4.5-5.5 (average pH range of hair, skin and nails)

What is pH balanced?

400

Combination of metallic and vegetable dye; metallic salts are added to a vegetable dye to create a wider range of colors and a longer-lasting color than achieved with vegetable dye alone.

What is compound dye?

400

A cream or jelly that protects the client's skin, scalp and/or hair from chemicals; may be referred to as base cream.

What is Barrier Cream ?

400

A dimensional coloring technique by which selected woven or sliced strands of hair are darkened.

What is lowlighting?

500

Six tertiary colors

What are yellow-orange, yellow-green, blue-green, blue-violet, red-violet and red-orange?

500

Water-based solution measuring more negative hydroxide ions than positive hydrogen ions; measures higher than 7 on the pH scale.

What is Alkaline Solution ?

500

Products often known as color removers; designed to remove unwanted artificial pigment from the hair.

What is Dye Solvent?

500

Tool used as an efficient way obtain product; used as a support for the hairstrand during application.

What is a color palette?

500

Involves the positioning of highlights and/or lowlights on the surface of the hair or to selected strands to create special effects.

What is dimensional Coloring?