Hair Color Calculator
Welcome to the Hair Color Calculator! Determine the best approach to achieve your desired hair color based on your starting point and hair color theory.
Results:
Levels of Lift/Deposit: –
Suggested Developer Volume: –
Underlying Pigment at Desired Level: –
Tone to Add/Neutralize: –
Gray Coverage Notes: –
Achievability: –
Estimated Formula Composition (Base Color vs. Tonal Additive)
What is a Hair Color Calculator?
A Hair Color Calculator is a tool designed to help individuals and stylists predict the outcome of a hair coloring process. It uses the principles of color theory, hair levels, tones, and developer strengths to suggest a formula or approach to achieve a desired hair color based on the current hair color and condition. Instead of complex math, it relies on rules about how colors interact and how much lift or deposit is needed. The Hair Color Calculator aims to minimize guesswork and improve the chances of a successful coloring result.
Anyone looking to change their hair color, from DIY enthusiasts to professional hairdressers, can benefit from using a Hair Color Calculator. It’s particularly useful when aiming for a significant change in level or tone, or when dealing with gray coverage. Common misconceptions are that any color can be achieved in one step or that box dyes will always match the picture – a Hair Color Calculator helps set realistic expectations.
Hair Color Calculator Formula and Explanation
The “formula” in a Hair Color Calculator is more a set of logical rules based on color theory:
- Determine Lift or Deposit: Calculate the difference between the desired level and the current level. If the desired level is higher, lift is needed; if lower, deposit is needed.
Lift = Desired Level – Current Level - Select Developer: Based on the levels of lift needed (or if depositing), choose the appropriate developer volume (10, 20, 30, or 40 volume). Generally, 10 vol deposits or lifts 0-1 level, 20 vol lifts 1-2 levels, 30 vol lifts 2-3 levels, and 40 vol lifts 3+ levels (with caution).
- Identify Underlying Pigment: Determine the natural underlying pigment that will be exposed at the desired level when lifting.
- Determine Tonal Adjustment: Based on the desired tone and the underlying pigment, decide whether to neutralize unwanted tones (e.g., use ash to neutralize orange) or enhance desired tones.
- Gray Coverage: If gray hair is present, especially over 30-50%, a neutral base is often added to the formula for better coverage.
| Variable/Level | Meaning | Underlying Pigment | Typical Range |
|---|---|---|---|
| Current Level | Starting hair color level | Varies | 1-10, Red, Gray |
| Desired Level | Target hair color level | Varies (see below) | 1-10 |
| 1 (Black) | Darkest level | Dark Red Brown | – |
| 2 (Darkest Brown) | Dark Red Brown | – | |
| 3 (Dark Brown) | Red Brown | – | |
| 4 (Medium Brown) | Red | – | |
| 5 (Light Brown) | Red-Orange | – | |
| 6 (Dark Blonde) | Orange | – | |
| 7 (Medium Blonde) | Orange-Yellow | – | |
| 8 (Light Blonde) | Yellow | – | |
| 9 (Very Light Blonde) | Light Yellow | – | |
| 10 (Palest Blonde) | Lightest level | Pale Yellow | – |
| Developer Volume | Strength of peroxide | – | 10, 20, 30, 40 vol |
| Desired Tone | Cool (Ash, Violet), Warm (Gold, Copper, Red), Neutral | – | Ash, Neutral, etc. |
Table showing underlying pigments at different hair levels.
Practical Examples (Real-World Use Cases)
Example 1: Going Lighter and Cooler
- Current Level: 5 (Light Brown)
- Desired Level: 7 (Medium Blonde)
- Desired Tone: Ash
- Gray: 0%
The Hair Color Calculator would suggest: 2 levels of lift are needed (7-5=2). Use 20 volume developer. Underlying pigment at level 7 is Orange-Yellow. To achieve Ash, you need to neutralize Orange-Yellow with a Blue/Green-Violet based Ash tone. Formula: Level 7 Ash color with 20 volume developer.
Example 2: Covering Gray and Going Slightly Darker
- Current Level: 6 (Dark Blonde) with 50% Gray
- Desired Level: 5 (Light Brown)
- Desired Tone: Neutral
- Gray: 50%
The Hair Color Calculator would suggest: 1 level of deposit. Use 10 or 20 volume developer (20 vol often gives better gray coverage). For 50% gray, mix desired Level 5 Neutral with an equal part of Level 5 Neutral base color specifically for gray coverage, using 20 volume developer.
How to Use This Hair Color Calculator
- Select Current Level: Choose the level that best matches your current hair, whether natural or dyed. Be honest for accurate results.
- Select Desired Level: Choose the hair color level you aim to achieve.
- Select Desired Tone: Choose the tone (cool, warm, neutral) you want your final color to have.
- Estimate Gray Percentage: Select the range that best describes how much gray hair you have.
- Review Results: The Hair Color Calculator will show the lift/deposit needed, suggested developer, underlying pigment, tonal advice, and gray coverage notes.
- Interpret Achievability: Pay attention to the achievability score, especially for large jumps in level.
Use the results as a guide. Hair texture, porosity, and previous chemical treatments can affect the outcome. A strand test is always recommended.
Key Factors That Affect Hair Color Calculator Results
- Current Hair Color and History: Previously colored hair, especially with dark or red dyes, can be difficult to lift and may reveal unexpected tones. The Hair Color Calculator assumes virgin hair or evenly colored hair for best results.
- Desired Level and Tone: The greater the difference between current and desired, the more complex the process. Going much lighter requires more lift and potential pre-lightening.
- Hair Porosity: Porous hair absorbs color more quickly and can go darker or ashier than intended. Less porous hair might resist color.
- Developer Strength (Volume): Using too high a developer can cause unnecessary damage, while too low may not provide enough lift. The Hair Color Calculator suggests a volume based on lift needed.
- Application and Processing Time: Even application and correct timing are crucial for even results.
- Underlying Pigment: Everyone has underlying warm tones that are exposed when lifting hair. The Hair Color Calculator helps identify these so they can be neutralized.
- Percentage of Gray: Gray hair lacks natural pigment and can be resistant to color, often requiring specific formulations for coverage.
- Hair Health: Damaged hair will react differently to color than healthy hair.
Frequently Asked Questions (FAQ)
A: The Hair Color Calculator provides an educated estimate based on color theory. However, individual hair characteristics (porosity, texture, previous treatments) greatly influence the final result. Always perform a strand test.
A: Going from black (level 1-2) to blonde (level 7+) usually requires multiple steps, including pre-lightening (bleaching), to avoid excessive damage and achieve a clean blonde. The Hair Color Calculator will likely indicate low achievability for such a drastic change in one go.
A: Artificial color is harder to remove than natural pigment. You may need a color remover or pre-lightening before applying your desired shade. The Hair Color Calculator is less accurate on heavily dyed dark hair for lifting.
A: When you lift hair color, you expose natural underlying warm tones (red, orange, yellow). If you don’t account for these, your final color might be too warm or brassy. The Hair Color Calculator helps identify and suggest neutralization.
A: 20 volume developer is commonly used for gray coverage as it provides good lift and deposit. For very resistant gray, some stylists might use 30 volume with caution or add a neutral base.
A: Consider your skin tone and eye color. Cool tones (ash, beige) suit cool skin tones, while warm tones (gold, copper, red) suit warm skin tones. Neutrals are more versatile.
A: The suggested tone is often for neutralization. If you desire a different warm or cool tone, adjust accordingly, but be mindful of the underlying pigment. For example, if you want gold at level 8 (yellow underlying), you add gold, not neutralize.
A: It’s applying a small amount of your prepared color formula to a hidden section of your hair to check the final color, processing time, and any adverse reactions before coloring your whole head. Highly recommended by every Hair Color Calculator and professional.
Related Tools and Internal Resources
- Hair Porosity Test Guide: Learn how to determine your hair’s porosity, which affects color absorption.
- Color Wheel and Hair Theory Explained: Understand the basics of color theory as it applies to hair coloring.
- Choosing the Right Developer: A detailed guide on different developer volumes and their uses.
- Gray Coverage Techniques: Tips and tricks for effectively coloring gray hair.
- How to Tone Brassy Hair: Learn how to correct unwanted warm tones after lightening.
- Understanding the Hair Level System: A breakdown of the 1-10 level system used in hair coloring.