How does the numbering system for hair color work?

December 21, 2025 · caitlin

Hair color numbering can be confusing, but understanding it is essential for selecting the right shade. The numbering system for hair color is a standardized method that helps identify the color depth and tone. This system allows both professionals and consumers to choose hair colors accurately, ensuring the desired results.

What Is the Hair Color Numbering System?

The hair color numbering system is a universal code used by manufacturers to describe the color level and tone. Typically, it consists of two parts: a level number and a tone number. The level number indicates the lightness or darkness of the color, while the tone number describes the specific hue or undertone.

How Does the Hair Color Level Work?

The level number ranges from 1 to 10, with 1 being the darkest (black) and 10 being the lightest (lightest blonde). This range helps users understand how light or dark the hair color will appear.

  • Level 1: Black
  • Level 2: Very Dark Brown
  • Level 3: Dark Brown
  • Level 4: Medium Brown
  • Level 5: Light Brown
  • Level 6: Dark Blonde
  • Level 7: Medium Blonde
  • Level 8: Light Blonde
  • Level 9: Very Light Blonde
  • Level 10: Lightest Blonde

What Do the Tone Numbers Mean?

The tone number follows the level and represents the color’s hue or undertone. Common tone numbers include:

  • 0: Natural
  • 1: Ash
  • 2: Matte
  • 3: Gold
  • 4: Copper
  • 5: Mahogany
  • 6: Red
  • 7: Violet
  • 8: Pearl
  • 9: Cendre (Soft Ash)

For example, a hair color labeled as "6.3" would be a dark blonde (level 6) with a gold tone (tone 3).

Why Is the Hair Color Numbering System Important?

Understanding this system is crucial for achieving the perfect hair color. It allows you to:

  • Select the right shade: By knowing the level and tone, you can choose a color that complements your skin tone and personal style.
  • Avoid color mishaps: Knowing the numbering system helps prevent unexpected results, such as choosing a color that’s too dark or too light.
  • Communicate with stylists: The system provides a common language for discussing hair color preferences with professionals.

How to Choose the Right Hair Color Using the Numbering System

Choosing the right hair color involves considering both the level and tone that best suit your natural coloring and desired look.

  1. Identify your natural level: Determine your current hair color level to understand how much change you want.
  2. Consider your skin tone: Warmer skin tones often pair well with golden or copper tones, while cooler skin tones may look better with ash or pearl tones.
  3. Decide on contrast: Decide if you want a natural look or something more dramatic, which will influence your choice of level and tone.

Practical Examples of Hair Color Numbering

To illustrate how the numbering system works, consider these examples:

  • 3.0: Dark brown with a natural tone, ideal for a classic look.
  • 7.1: Medium blonde with an ash tone, perfect for a cool, sophisticated appearance.
  • 5.6: Light brown with a red tone, great for a warm, vibrant style.

People Also Ask

What Does "Ash" Mean in Hair Color?

"Ash" in hair color refers to a cool tone with blue or green undertones. It neutralizes unwanted warmth in the hair, such as brassiness, and is ideal for those seeking a cooler, more muted look.

How Can I Tell My Hair Color Level?

To determine your hair color level, compare your hair to a color chart available at most beauty supply stores. Alternatively, consult a professional stylist who can accurately assess your natural level.

Is Tone More Important Than Level in Hair Color?

Both level and tone are important. The level determines the lightness or darkness, while the tone provides the desired hue. A balance of both ensures the best result for your hair color.

Can I Change My Hair Color Level at Home?

Changing your hair color level at home is possible, but it requires careful selection of products and understanding of the process. For significant changes, consulting a professional is recommended to avoid damage or uneven results.

What Is the Best Hair Color for Covering Gray?

For covering gray, choose a hair color that closely matches your natural level with a natural or ash tone. This ensures a seamless blend and reduces the appearance of gray hair.

Conclusion

Understanding the hair color numbering system is essential for anyone looking to change their hair color. By knowing the level and tone, you can make informed decisions that enhance your appearance and express your style. For more tips on hair care and styling, explore our related articles on hair health and color maintenance.

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